Used Continuous Production Line For Pancakes for sale (28,142)

Condition: excellent (used), Double STDN pancake baking carousel system. Superb system designed for reliable high volume production of pancakes and crepes, blinis etc. Extremely hard to find on the used market. diameters can be adjusted from 30mm to 240mm and weights from 8g to 100g. New cost of this system is in excess of 500,000. We also have a continuous waffle manufacturing line for sale. Blodpfx Aexlra Rjmyek

Condition: used, Type Production Line Radiator production line Bjdpfx Aezpbl Djmyjlk Further information can be found in the attached PDF document. Accessories, tools, and clamping devices shown are included in the scope of delivery only if specified in the additional information. Subject to change, errors in technical data and specifications, and prior sale.

Condition: good (used), Line now available for immediate sale. Was producing thins for supermarket contracts. Bljdpfxewhagms Amyjk

Year of construction: 2007, condition: ready for operation (used), This HOMAG WEEKE industrial production line was manufactured in 2007. It features a comprehensive setup for high-volume panel processing and edge-banding, including automatic loading systems, a central roller conveyor, multiple edge-banding modules, and a portal manipulator for stacking. Ideal for streamlined wood production, ensuring efficient handling and precision. Consider the opportunity to buy this HOMAG WEEKE industrial production line. Contact us for more information about this machine. Application Types Blsdpfx Asx D Dq Sjmysk Complete Production

Condition: ready for operation (used), functionality: fully functional, machine/vehicle number: 13688, Year of construction: 2012, empty load weight: 4,990 kg, Fully automated, horizontal production line for IGUs and spacer frames! Production capacity of 1,200 units per shift! TECHNICAL DETAILS Production capacity: 150 pcs/h MACHINE DETAILS Electrical data Voltage: 480 VAC Frequency: 50/60 Hz Phases: 3 Maximum motor capacity: 2 A Short-circuit current: 5,000 A Power: 142 kVA Bsdjx Trlropfx Amyolk Machine weight: 4,990 kg EQUIPMENT GED Intercept Ultra / Thin frame machine i-3 – CE version Warm-edge spacer production system Production of Intercept ULTRA stainless steel, ThinPlate or BlackLine

Year of construction: 2003, condition: used, functionality: fully functional, CONTINUOUS HUMP BACK BRAZING LINE FOR STAINLESS STEEL TECHNICAL INFORMATIONS: Bodpfex Ux Sbex Amyolk - Type: Hump Back Mesh Melt Continuous Furnace Line - Process : Brazing (Stainless steel) - Total Length : 28.800mm - Heating Zone : 5200mm - Band width : 650mm - Band speed : Max. 1200mm/min Min : 100mm/min - Capcity : 420kg/h netto - Heating : With Natural gas - Total Heating Power : 400kW Brut - Heating Elements : x10 WS Burners - Controlled zone : 4 - Max Temp. : 1130 C - Athmosphere : Nitrogen / Hydrogen - Control : Demig / Siemens

Condition: used, Line for forming cevapcici and cevapi (grinder with mixer, portioning device and belt transporter) Blsdpfx Aeg Atrvsmyjk

Condition: new, Year of construction: 2025, We produce pellet-briquette line We are the only manufacturers in Lithuania, the only ones with our own service. We will deliver, install, set up and train the lines. We select a package according to your budget. We not only produce the equipment ourselves, but we also produce pellets ourselves, you can come and see the working equipment. Pellet production lines from 100 kg/h to 30 t/h We produce: Blodpfx Amjhgbarsyok Drum dryer Belt dryer pipe dryer Pellet plant Mills crushers Conveyor Coolers Cyclones Bunker Packing machines TSF-Justinas

Condition: new, functionality: fully functional, Year of construction: 2026, A stone crushing plant for sand and aggregate making is a facility where stones and rocks are crushed into smaller pieces or gravel. It typically includes several stages of crushing and screening to produce various sizes and grades of sand and aggregate materials, which are essential in construction, landscaping, and other applications. Here's an introduction to the components and processes involved in a typical stone crushing plant: Blsdpfx Amjq N U Dueyjk ### Components of a Stone Crushing Plant 1. Primary Crusher: - Purpose: The primary crusher, often a jaw crusher or gyratory crusher, initially breaks down large rocks into smaller pieces. - Function: It handles raw materials from the quarry or mine and prepares them for further processing. 2. Secondary Crusher: - Purpose: A secondary crusher, such as a cone crusher or impact crusher, further reduces the size of the crushed stones. - Function: It refines the material after primary crushing, producing smaller and more uniform-sized aggregates. 3. Tertiary Crusher (Optional): - Purpose: In some configurations, a tertiary crusher like a vertical shaft impactor (VSI) may be used for shaping and fine crushing. - Function: It produces finely crushed materials for specific applications, such as concrete production or road base. 4. Screening Equipment: - Purpose: Screening equipment like vibrating screens or trommel screens separates the crushed materials into different sizes. - Function: It classifies the aggregates into various grades according to size, ensuring uniformity and meeting specifications. 5. Conveyor Systems: - Purpose: Conveyor belts transport materials between different stages of crushing and screening. - Function: They ensure efficient material handling and continuous operation within the plant. 6. Washing Equipment (Optional): - Purpose: Washing equipment, such as sand washers or scrubbers, may be used to remove impurities from sand and aggregate products. - Function: It improves the quality of the final products by cleaning them and removing fines or contaminants. ### Processes Involved - Primary Crushing: Large rocks are fed into the primary crusher and reduced to a manageable size. - Secondary Crushing: The crushed materials from the primary crusher are further processed by secondary crushers to achieve the desired aggregate sizes. - Screening: The crushed and sized materials are screened to separate them into different sizes and grades. - Material Handling: Conveyor systems transport materials between different stages of the crushing and screening process. Final Product Handling:Finished products, such as sand and various sizes of aggregates, are stored or loaded for transport to customers or construction sites. Applications - Construction: Used in the production of concrete, asphalt, and road base materials. - Landscaping: Provides decorative and functional aggregates for gardens, pathways, and driveways. infrastructure: Essential for building foundations, drainage systems, and structural fill. As for the capacity we have 30 t/h, 30-50 t/h, 50-100 t/h, 100-150 t/h, 150-200 t/h, 200-300 t/h, 300-500 t/h, and both stationary crushing plant and mobile crushing plant are available for option.

Condition: new, functionality: fully functional, power: 460 kW (625.43 HP), fuel type: electric, Year of construction: 2026, Henan Mingyuan Heavy Industrial Equipment Co., Ltd. has established itself as a premier global manufacturer, providing integrated Sand and Gravel Production Lines that transform raw minerals into precision-graded materials. A MINGYUAN production line is not just a collection of machines; it is a synchronized system engineered for maximum throughput, minimal waste, and low operational costs. -1. Core Equipment Configuration The MINGYUAN system follows a multi-stage reduction philosophy to ensure particle shape and quality. Vibrating Feeder (GZQ Series):Ensures a continuous, uniform flow of raw material to the primary crusher. It features grizzly bars to pre-screen dirt and "fines," protecting the crusher from unnecessary wear. Primary Jaw Crusher (PE/C-Type): The "workhorse" designed for the initial breakdown of hard rocks (granite, basalt, river pebbles). MINGYUAN’s jaw crushers utilize a deep-chamber design for high crushing ratios. Secondary Crusher (Impact or Cone):Impact Crusher (PF Series): Ideal for medium-hard materials; produces highly cubic final products with excellent grain shape. Cone Crusher (Hydraulic/Spring): Preferred for high-hardness materials (granite/quartz) due to its high efficiency and low wear-part consumption. Sand Making Machine (VSI Series): The "finisher." It uses "stone-on-stone" or "stone-on-iron" technology to shape aggregates and produce high-fineness artificial sand. Vibrating Screen (YK Series): A high-frequency circular screen that classifies material into specific sizes (e.g., 0-5mm, 5-10mm, 10-20mm, 20-40mm). * Sand Washing Machine (XSD/LSX Series):Removes mud and impurities to ensure the final product meets strict concrete and asphalt standards. 2. Technical Specifications & Performance MINGYUAN offers scalable solutions tailored to project size, ranging from small-scale mobile units to massive industrial stationary plants. | Feature | MINGYUAN Standard Specifications | | Production Capacity | 50 – 600 $t/h$ (Tons Per Hour) | | Max Input Size | Up to 1,100mm (depending on Jaw model) | | Finished Product Size | 0-5mm, 5-10mm, 10-20mm, 20-40mm (customizable) | | Power System | High-efficiency AC Motors or Diesel-Electric Hybrid | | Control System| Centralized PLC Control Cabinet with safety interlocks | | Materials Processed | River stone, granite, limestone, basalt, iron ore, and C&D waste | 3. The MINGYUAN Technical Advantage What differentiates MINGYUAN in the global market is the "One-Stop" solution approach: 1. High Crushing Efficiency:Optimized crushing cavities increase the contact area between the material and the liners, reducing energy consumption per ton. 2. Environmental Compliance: Systems can be equipped with advanced dust suppression misting and fully enclosed belt conveyors to meet stringent urban environmental regulations. Bsdpfx Ajq Nywxomyolk 3. Durability: Wear parts (jaw plates, blow bars, mantles) are manufactured using high-manganese and high-chrome alloys, significantly extending the time between maintenance cycles. 4. Flexible Layouts: Whether for a mountain quarry or a tight urban recycling site, MINGYUAN provides customized CAD layouts to optimize gravity-flow and reduce conveyor length. 4. Conclusion A MINGYUAN Sand and Gravel Production Line represents a strategic investment in efficiency. By combining primary strength with precision finishing and washing, the brand ensures that every ton of raw material is maximized for its commercial value.

Condition: new, functionality: fully functional, Year of construction: 2025, Aggregate and ballast crusher equipment are used in the crushing and processing of various materials for construction and infrastructure projects. These crushers are designed to break down large rocks, gravel, or stones into smaller pieces, producing aggregates and ballast that are essential components in the construction industry. Here are some key aspects related to aggregate and ballast crusher equipment: 1. Jaw Crusher: - Jaw crushers are commonly used for primary crushing in aggregate and ballast production. They operate by compressing the material between a stationary and a movable jaw. 2. Impact Crusher: - Impact crushers are suitable for shaping and producing fine aggregates. They use impact force to crush the material, making them suitable for various types of rock and ore. 3. Cone Crusher: - Cone crushers are often used for secondary and tertiary crushing in aggregate production. They are efficient for producing well-shaped and finely graded aggregates. 4. Vertical Shaft Impact (VSI) Crusher: - VSI crushers are designed for shaping and producing high-quality artificial sand. They use the "rock-on-rock" crushing principle, where rocks are fed into the rotor to be accelerated and crushed against the stationary anvils. 5. Gyratory Crusher: - Gyratory crushers are primarily used in mining, but they may also be used in the production of aggregates. They have a conical head and a concave surface, which crushes the material between the head and concave. 6. Mobile Crushers: - Mobile crushers, including mobile jaw crushers and mobile impact crushers, provide flexibility and mobility for on-site crushing of aggregates and ballast. They are often used in construction projects where materials need to be processed directly at the job site. 7. Screens and Scalpers: - Screens and scalpers are used to separate different sizes of aggregates after the initial crushing stage. Vibrating screens are commonly employed to classify and separate materials based on size. 8. Conveyors: - Conveyors are crucial for transporting materials between various stages of the crushing process and for stockpiling the final products. They enhance efficiency in material handling. 9. Dust Suppression Systems: - Crushing operations can generate dust, and dust suppression systems are used to minimize environmental and health impacts. These systems may include water sprays or chemical suppressants. 10. Quality Control: - Quality control measures, such as particle size analysis and gradation testing, are essential to ensure that the produced aggregates and ballast meet the required specifications and standards. Bsdpfx Aoq Nxrxemyelk 11. Environmental Considerations: - Crusher equipment should adhere to environmental regulations, and measures like dust control, noise reduction, and proper waste disposal should be implemented. When selecting aggregate and ballast crusher equipment, factors such as the type of material, required product size, production capacity, and mobility requirements should be taken into consideration. Additionally, adherence to safety and environmental standards is crucial in the operation of crushing equipment.

Condition: excellent (used), Year of construction: 2021, functionality: fully functional, Complete beer canning line for beer (standard 330 and 500 ml can): 10 000 cans per hour (500ml), fully optimized and calibrated. Only 4 machine operators/workers in filling process. The offer includes: Depalletization, rinser, filles, seamer, RTG level inspection, dryer, carton machine, palletization, CIP, flas pasteurization Padovan, HGB,chiller, compressor etc. Bodpfxeuq Sb So Amyslk

Condition: like new (used), Year of construction: 2014, Complete Bottle Filling Line for non-aseptic milk and other dairy product Capability 270, 540 ml PET/Plastic bottles with the cap D- 38 mm Bottle size: 270mm: D-60mm, H-132mm Bodoyiptqjpfx Amyolk 540mm: D-70mm, H-180mm Capacity: 270mm: 2500 bottles per hour 540mm: 2000 bottles per hour Made by SELO, Netherlands. YOM 2014 Consisting of: 1. 2x Accumulation Tables 150 cm diameter Motorised 2. Rotary Bottle Washer 15 bottle capacity Siemens Logo TD touch screen With Associated Conveyor 3. Selo 6 Head Filling Machine 6 head fully automated filling station With Selo pressure tank Schneider touch screen control Pump and associated pipework 4. Capper Rotary 3 Head fully automated bottle capper with Mobile Cap Hopper/ Swan Neck cap Feeder 5. Albertina/Etipak In Line Labeller 6. Associated conveyors AS NEW CONDITION

Condition: excellent (used), CATALOGUE NUMBER: 7816 TECHNICAL DATA DDCA - Surfacing cutter length: 180 – 845mm - Surfacing cutter width: 30 – 75mm - Surfacing cutter thickness: 10 – 45mm - Spindle diameter: 30mm - Max. disc diameter: 250mm - 5 spindles: - Left side: 1) Vertical upper: 2.2kW 2) Horizontal lower: 2.2kW Right side: 1) Vertical lower: 2.2kW 2) Vertical upper: 2.2kW 3) Horizontal lower: 2.2kW - Spindles adjustable up/down, left/right - Material pressure: 2 pcs - Smooth feed rate adjustment: 0-10m/min - Spindle diameter: 5x100mm - Dimensions (L/W/H): 1870/2230/1320mm DDGA - Width of workpiece: 35 – 130mm - Thickness of workpiece: 10 – 40mm Bedszh H R Ajpfx Amyjlk - Minimum length of workpiece: 200mm - Spindle arrangement: 1) Lower: 5.5kW 2) Right: 5.5kW 3) Left: 5.5kW 4) Upper: 5.5kW - Spindles adjustable up/down - 6-blade heads fitted on upper and lower spindles - Spindle diameter: 40mm - Milling cutters fitted on right and left spindles, max. diameter: 50mm - Spindle diameter: 30mm - 2 feed rates: 4.9kW - Central chain lubrication via oil pump - Spindle diameter: 4x125mm - Dimensions (L/W/H): 3100/1300/1700mm ADVANTAGES - Polish made - 5 spindles - Unpainted - Very good condition - Used production line Net price: 52900 PLN Net price: 12600 EUR Net price calculated at an exchange rate of 4.2 PLN/EUR (Price may change in case of significant exchange rate fluctuations)

Year of construction: 2026, operating hours: 1 h, condition: new, functionality: fully functional, machine/vehicle number: SHMZ0116, Equipment: CE marking, Automatic wet wipes production line Blsdpfozn Hftex Amyjk This machine designed for wet wipes packaging design and the vertical fold. the institution, fast speed, smooth operation, and can automatically accomplish:wet wipes fold →inside and outside liquid →slice, add bag making → sealing →count →a batch number → products output and so on many features, effectively avoid the wet wipes in packaging process of secondary pollution. the machine iscompact, and easy, safe, is the wet wipes packing device of choice, suitable for single piece of wet wipes the automatic packing.

Condition: used, Year of construction: 2015, Biesse Uniline 4500 CNC processing center (i.e. for window & door frames) Description Biesse Uniline 4500 Machine nr; 1000004833 Year of construction: 2015 Machining lengths: 175 - 4,500 mm Number of milling motors: 1 Motor power: 19.2KW (25.7HP) Label printer: No Tool holder: HSK 63F Changer type: Fixed + movable Number of positions in toolchanger: Flexstore total 44 Bsdszp Hbqjpfx Amyslk Software: BiesseWorks Office licenses: 1 x Fencing: Yes complete (Despite our great care all changes, mistakes in technical data, prices and all information is subject to (typing) errors. No guarantee on printed data! Availability subject to prior sales). (Trotz größter Sorgfalt bleiben Änderungen, Irrtümer bei technischen Daten, Preisen und allen Angaben (Tipp-)Fehler vorbehalten. Keine Gewähr auf gedruckte Daten! Verfügbarkeit vorbehaltlich Zwischenverkauf). Prices excl. advertisement cost MachineSeeker / Preise exkl. Inserierungskosten MaschinenSucher Best woodworkingmachines from the Netherlands Holland Die besten holzbearbeitungsmaschinen aus die Niederlande De beste gebruikte machines uit Nederland

Year of construction: 2016, operating hours: 20 h, condition: used, functionality: fully functional, machine/vehicle number: MT-108/2016, We are offering a used IPVET EPS/MW Custom Sandwich Panel Production Line, manufactured in 2016. The machine has seen very little use. Manufacturer: IPVET Model: EPS/MW Custom Sandwich Panel Year of Manufacture: 2015 Condition: Used Category ID: 1059 Type: EPS/MW Sandwich Panel Production Line Bljdpeyw Tmljfx Amyjk The EPS/MW (Expanded Polystyrene/Mineral Wool) sandwich panel production line is suitable for the manufacture, staging, and packaging of assorted types and sizes of sandwich panels with insulation. The line includes all necessary electrical circuits, hydraulic system, and control units required for operation. The production line is capable of manufacturing the following products: - EPS roof panels with insulating thicknesses: 60mm, 80mm, 100mm, 120mm, 150mm, 200mm - EPS wall panels with insulating thicknesses: 60mm, 80mm, 100mm, 120mm, 150mm, 200mm - MW roof panels with insulating thicknesses: 80mm, 100mm, 120mm - MW wall panels with insulating thicknesses: 80mm, 100mm, 120mm Raw materials used in production: - 0.4-0.7mm x 1250mm pre-painted, galvanized steel sheet - EPS 80 Expanded Polystyrene boards - MW Mineral Wool (Spanrock XL) - Adhesive (polyol) - Adhesive (isocyanate) Machine Units/Equipment included in the Sandwich Panel Production Line: The EPS/MW sandwich panel production line is a comprehensive system consisting of several machines and equipment. The production line comprises the following units: 2.1. Decoiler for external steel sheet with trolley 2.2. Trapezoidal roller conveyor Bobp Ergeyw Tmlocyodf 2.3. Shearing knife for cutting steel sheet 2.4. Micro-corrugation roller conveyor 2.5. Edge-forming roller conveyor for standard joint outer facing 2.6. Edge-forming roller conveyor for concealed joint outer facing 2.7. Decoiler for internal steel sheet with trolley 2.8. Shearing knife for cutting steel sheet 2.9. Micro-corrugation roller conveyor 2.10. Edge-forming roller conveyor for internal facing 2.11. EPS/MW insulation dispenser unit 2.12. Insulation material conveyor belt 2.13. EPS/MW insulation trimming knives 2.14. Adhesive application unit 2.15. Pump 2.16. Adhesive spreading unit 2.17. Laminating roller conveyor 2.18. Cutting saw 2.19. Accordion roller conveyor 2.20. Roller discharge table 2.21. Stacking and flipping unit 2.22. Transport trolley for stacking 2.23. Packaging unit 2.24. Chain conveyor unit for material handling If you have any questions or require further information, please send us a message or call us.

Condition: used, Year of construction: 2019, LISEC INSULATED GLASS LINE – Year 2019 LISEC INSULATED GLASS LINE H 2500 mm L/R Max. glass size: H 2500 x 3500 mm Min. glass size: 350 x 180 mm Glass unit thickness: 12-80 mm Shapes: according to Lisec catalog Thickness of flexible spacer: 8-25 mm Consisting of: LISEC VHW-D25/V6 - automatic vertical washing and drying system for flat glass sheets Brush configuration: 6 brushes LISEC RSVN-35/25U - automatic vertical inspection and positioning station for spacer frames LISEC VSA-35/25 - fully automatic vertical system for applying flexible spacers LISEC SSV-25 - automatic robot for sealing and closing the last corner Bodpfxozpwf Hs Amyelk LISEC FPS-35/25U2B - Fully automatic vertical press for laminating, flat pressing, and gas filling (argon or krypton) LISEC VL-1N/25 - Fully automatic vertical extrusion and sealing robot LISEC DOS-1 TH Mixing and Metering Unit

Condition: like new (used), High-Quality Meltblown Production Line for Nonwovens A complete machine inspection was carried out by the manufacturer's service team on 17.12.2025. Inspection report available. Commissioning at the customer's site can be offered upon request. Operating hours: 80 hours (commissioning only) Price for a new machine: EUR 7,500,000 • Manufacturer: Reifenhäuser GmbH & Co. KG Maschinenfabrik • Model: Reicofil MB 1600 Bljdpfox Hx Rnsx Amysk • Year of manufacture: 2021 • Last commissioning: 2022 Technical specifications: • Working width: 1,600 mm • Material: Polypropylene (PP), MFI 230 / 2.16 > 400 g/10 min • Output: Up to 65 kg/h per meter width • Product weight: 10–80 g/m² • Production speed: 5–80 m/min • Die head: MB 1600, 50 h/in • Extruder: RT-1101-1-100, L/D 30 • Heating capacity, rotary beam: 65–172 kW • Winder: contact winder with preset reel change • Max. winding diameter: 1,250 mm • Web width: 1,700 mm • Winding tension: 10–100 N/m Additional equipment and accessories: • 3-component dosing system • 80 mm automatic seat changer • Ultrasonic cleaning system • Pyrolysis unit • Ozone extraction • Cutting knives • Central control panel with touchscreen and data entry

Condition: excellent (used), Year of construction: 1998, operating hours: 1,830 h, functionality: fully functional, Please submit your price offers. Schroeder solid hardwood flooring production line. It has only operated for 1830 working hours (1 year with one shift). Fully functional, with a working speed of 30 m/min. The line consists of: Feeder, Planer I, transfer, Planer II, transfer/turntable, End matcher. Dimensions of the processed elements: width 45-100mm, thickness: 10-23mm, length: 250-1200mm. Blsdjywkdzopfx Amyok

Condition: used, We offer you: Camshaft production line Bodpfezp U Dmsx Amyjlk Please refer to the attached PDF for technical data and images. All technical data is available and can be shared upon request. An inspection can be arranged by appointment. Accessories, tools, and clamping devices shown in the images are only included in the scope of delivery if this is explicitly stated in the additional information. Subject to change and errors in the technical data and specifications, as well as prior sale!

Condition: used, Year of construction: 2007, functionality: fully functional, SE-HSM-40/26-COMPACT-PLUS Horizontal four-head welding machine 2MC Horizontal CNC corner edging machine, motion control WST-30 Horizontal turning station Blsdpfxozm N Nre Amyjk Minimum element size 320 × 320 mm Maximum element size 4,000 × 2,600 mm Maximum element weight 80 kg Minimum working area 320 × 320 mm Maximum working area 4,000 × 2,600 mm

Condition: like new (used), Year of construction: 2020, Rubber extrusion NBR&PVC Insulation sheet production line / available immediately The machine line can be delivered immediately, with few operating hours and in new condition. The units of the production line: Bljdpfxey Exrps Amyjk 1. ￠150mm20D cold feed vacuum extruder(Standard) 2. Rubber sheet head(Pneumatic) 3. 6m infrared curing oven (width 1000mm) 4. 6m hot air curing oven(width 1140mm) 5. 6m hot air curing oven(width 1440mm) 6. 6m hot air curing oven(width 1600mm) 7. 6m hot air curing oven(width 1800mm) 8. 6m hot air curing oven(width 2000mm) 9. 6m hot air curing oven(width 2300mm) 10. 6m hot air curing oven(width 2500mm) 11. 6m hot air curing oven(width 2800mm) 12. 36m (in 3 layers*12m) transmission & cooling system 13. Automatic sheet cutter & trimming machine (one) 2000 mm 14. One large Chiller with water tank 15. Gas heating 16. PLC If you are interested, we will send you a detailed description and data.

Condition: excellent (used), Brochure: Horizon SPF 20 FC 20 Stacking tower: Horizon VAC 100a Jogger: PJ77R Bsdswz Skqjpfx Amyelk

Condition: ready for operation (used), Year of construction: 2017, functionality: fully functional, machine/vehicle number: 1707025/LD/0300, Polin Ostali croissant production line, equipped with a calibrator and a cutting die for producing 3 rows of 110g croissants. Bljdpfx Aoznnpasmyjk