List the general rules for the use of balance?

1.	List the general rules for the use of balance?
Answer» Only GLASS, CERAMIC, metal or plastic objects and containers should be placed in direct CONTACT with the balance pan. Do not handle objects to be weighed with bare hands. Moisture, grease and dirt on you fingers will affect the weight of the objects. To be weighed accurately, all objects MUST be at room temperature.

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