Safety Precaution Definition Science. No one wants to have an accident in the lab, so it's imperative to follow lab safety rules. The science lab is an inherently dangerous place, with fire hazards, dangerous chemicals, and risky procedures.
A precaution is an action that is intended to prevent something dangerous or unpleasant. A play in which a member of the offensive team downs the ball or is tackled or forced out of bounds behind his own goal line. Lifejackets, small boat, inflatable rubber boats.
A precaution is an action taken in advance to prevent something negative from happening or to lessen the impact of the negative thing if it does happen.
Know how to store your materials. Cracked items should be disposed of, and contaminated glassware should be cleaned. Followed safety precautions when using heavy machinery. Safety must not be compromised and some ground rules need to be followed first.