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Nurdle (bead) Pre-production plastic pellets, commonly known as nurdles, are tiny plastic pellets (smaller than 5 mm or 0.20 in) that are universally used in the plastics industry for the manufacture of plastic products. [1] [2] These microplastics are made primarily from polyethylene, polypropylene, polystyrene, polyvinyl chloride, and other ...
Hypodermic needle features. A hypodermic needle (from Greek ὑπο- ( hypo- = under), and δέρμα ( derma = skin)), one of a category of medical tools which enter the skin, called sharps, [1] is a very thin, hollow tube with one sharp tip. It is commonly used with a syringe, a hand-operated device with a plunger, to inject substances into ...