Answer:
for examples: you are riding a bike before you ride a bike wear you gear first.
because gears can helps you from getting injury.
for another examples: you are on the road to don't get injury or anything you need to follow all the rules and beware of any situation that can happen in the road.
Answer: Avoid spilling of chemicals
Explanation:
The chemicals should be kept in air tight containers in order so that they cannot get spill over each other.
Cross contamination takes place when a different type of substance comes in contact with the different kind of substance.
The chemicals should be kept in a way that it does not comes in contact with the different one and get spoiled.
Is this a true or false question if its true or false I believe it is true