safety signs

Question 1

yellow triangle

Answer 1

This is a caution and warning sign.

The sign usually has a description of the hazard or the warning, e.g. Warning , Trip Hazard or Caution, Trip Hazard; Danger, Moving Machinery.

Question 2

blue circle

Answer 2

This is a mandatory sign.

Mandatory means that the instructions on the sign must be obeyed. The sign usually has a graphic and an instruction, e.g. the mandatory “Protective clothing must be worn in this area” sign above.

Question 3

a red circle with a horizontal line

Answer 3

This is a prohibited sign.

The sign usually has a graphic inside the prohibited sign and an instruction below the sign; see opposite

Question 4

green circle with an image

Answer 4

Green signs are safe condition signs.

The example on the left means that the water is safe to drink.