Molecular formula :
nature : the scale when weighing on the value determined for material quality standards. Different types of weight scales used by the quality and specifications are different. For example, ordinary Analytical Balance used as a bargaining chip, most weighing 1 gram to 50 grams of a set of brass, following a gram to 10 mg of aluminum or nickel a system, there are special filamentous Yu code (small weight) for the mobile-beam weighing less than 10 mg of quality. Weight should give the boxes to prevent corrosion and to avoid contamination. Applications folder to take tweezers.
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