ORIGINAL SMALL CHALK MACHINE AN EASY MACHINE TO USE AT HOME OR FACTORIES. IT'S WEIGHT IS 28KG. IT'S NOT AN ELECTRIC MACHINE. IT'S EASY TO REPAIR. IT MAKES SMOOTH DUCTLESS WHITE AND COLOURED CHALK. IT MAKES 400pcs PER HOUR. PRICE IS NEGOTIABLE. call/WhatsApp
electric centrifuge is a laboratory instrument that separates materials based on density by spinning them at high speeds. The rotation generates a centrifugal force, pushing denser components to the bottom of the container while lighter components move to the top. This principle is used in various applications, including separating blood components, purifyin...