A syringe was a good choice of tool in this experiment.
A syringe is a simple reciprocating pump consisting of a plunger (though in modern syringes, it is actually a piston) that fits tightly within a cylindrical tube called a barrel
To manufacture plastic syringes, the machinery required will be injection moulding machines, set of Multi cavity moulds and sterilization chamber. Polypropylene granules are fed into an injection-moulding machine, where they are plasticized and then injected into a Multi cavity mould.
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