### Some symbols are given below. Explain those symbols. Which disasters may occur if those symbols are ignored?

Question 11.

Some symbols are given below. Explain those symbols. Which disasters may occur if those symbols are ignored?

a. Caution road sign: Road accident may occur if this symbol is used.

b. Dangerous chemicals: lab accident may occur if this symbol is used.

c. Falling of trees: Road accident may occur if this symbol is used.

d. Not allowed: accident may occur if this symbol is used.

e. Wash hands after using chemicals: lab accident may occur if this symbol is used.

f. Flammable gas: Major accident may occur if this symbol is used.

g. Catch fire: Fire accident may occur if this symbol is used.

h. Explosives: Major accident may occur if this symbol is used.

i. Exposure of gas: Fire accident may occur if this symbol is used.