Give reasons for the following statements.
a) Melamine is coated on uniforms of fireman.
b) Plastics are not degraded by microorganisms.
c) We should not give food to cows in polythene bags.
d) Nylon is used for making things required for adventurous sports
e) Synthetic clothes should not be worn while working in kitchens.
f) Infant’s clothes shouldn’t be synthetic.
Answers
a) Melamine is a fire retardant plastic, which resist the spread of fire. ... It is used in the uniform of fireman for the protection of human body form heat hazards. It is also use in airplanes, buses etc. to prevent the spread of fire.
b) Because it is non biodegradable and do not have any natural material in it which is not synthesized by the bacteria.
c) It is because they cannot digest the bags, these collect in their digestive system and start producing toxins, which gradually leads to their death.
d) Because nylon is the strongest as strong as a steel thread and very flexible as well
e) Because synthetic cloths are very inflammable
f) As long as the fabric is soft and pliable, irritation or rashes do not cause the problem from the fabric itself. Instead, synthetic fiber should be avoided because it is not breathable. Babies have very sensitive skin, and moisture could easily become trapped in an outfit that was made of synthetics
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Answer:
a)Because melamine is fire resistant and does not react quickly in fire.
b)Because plastic is a non-biodegrable material.
c) Because polythene bag can goes to the respiratory system of cow and choke(block)it.In case the cow will dead.
d)Because nylon is very strong and can't be easily cut.
e)Because if synthetic clothes burn it makes severe burns on skin due to its plastic like nature .
f) Because synthetic clothes are closely woven due to which no or less amount of air can pass through the infant's clothes. And the infant feel uncomfortable.