Question 11.
Some symbols are given below. Explain those symbols. Which disasters may occur if those symbols are ignored?
Answer:
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.