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They commonly come in 1, 2, 3, and 5 ml which comes with a specific drop size of 10, 20, 25, 35, and 50 μL. [7] The volumes are usually marked on the stem, though the markings are rather crude and are not particularly accurate. [8] A plastic dropper is relatively inexpensive and disposable, so they are often used to avoid cross-contamination.
The racks are most commonly made of metal wires, but they can also be found as plastic, polystyrene, foam, fiberglass, and polypropylene. Test tube racks come in the form of a classic rack, an interlocking cube form, a stack-able form, test tube drying rack, slant rack, and 1-well rack.
The owner of the tank, United States Industrial Alcohol Company, paid out $300,000 (nearly $4 million in 2012 ) in compensation to the victims or their relatives. There have been many other accidents caused by tanks since then, often caused by faulty welding or by sub-standard steel .
30,000 m 3 (1,100,000 cu ft) blast furnace gas holder at Rautaruukki Steel in Finland. A gas holder or gasholder, also known as a gasometer, is a large container in which natural gas or town gas (coal gas or formerly also water gas) is stored near atmospheric pressure at ambient temperatures. The volume of the container follows the quantity of ...
Bore evacuator on an M1 Abrams. The evacuator is a passive device generally consisting of a ring of holes drilled into the barrel, surrounded by a cylindrical pressure reservoir that is sealed to the barrel's surface.
A bona fide purchaser (BFP) – referred to more completely as a bona fide purchaser for value without notice – is a term used predominantly in common law jurisdictions in the law of real property and personal property to refer to an innocent party who purchases property without notice of any other party's claim to the title of that property.
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Mixed liquor suspended solids (MLSS) is the concentration of suspended solids, in an aeration tank during the activated sludge process, which occurs during the treatment of waste water. The units MLSS is primarily measured in milligram per litre (mg/L), but for activated sludge its mostly measured in gram per litre [g/L] which is equal to ...