Question

Why do the porters keep a cloth on their head while carrying the luggage on their head ?​

Answer 1

Answer:

Coolie or porter place a round piece of cloth on their heads,when they haave to carry heavy loads.By doing this they increase the area of contact of the load with their head.So, the pressure on their head is reduced and they find it easier to carry the load. Pressure = force/ unit area.

Answer 2

Explanation:

you are a president of cleanliness club of your school .many of the students letters the class ,playgrounds with aluminium foils, toffee wrappers , juice tetra packs cold drinks cane and plastic bottles write a notice appel students not to little and instead use dustbin to maintain cleanliness in and around the school princess