Answer:
1.This symbol indicates high voltage. It calls your attention to items or operations that could be dangerous to you and other persons operation this equipment. This symbol is the “Safety Alert Symbol.” It occurs with either of two signal words: CAUTION or WARNING.
2.Caution sign provides critical information on falling object hazards in a given area.
3.A danger sign is used to indicate warning of a hazard which is likely to be life-threatening. This sign features the text danger chemical storage area in large letters, followed by the words unauthorised personnel keep out in smaller text below.With chemical signs, you can make sure the workers in your facility are continuing to engage in chemical safety standards and best practices.