Test tube rack
[1] Test tube racks come in a variety of size, composition, material, and color.The racks are most commonly made of metal wires, but they can also be found as plastic, polystyrene, foam, fiberglass, and polypropylene.[2] The classic racks are normally found in any regular laboratory and are made of wood, stainless steel, or plastic.The interlocking cube racks can also be put in the autoclave, as well as ease the transport of multiple different sized tubes.Placing the test tubes in an inverted position not only aids in drying, but it also minimizes the accumulation of airborne contaminants and other substances.
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