___________ is a mixture of sand, cement, gravel and water in correct proportion.

________ threads are used to make cloths.

We can prepare soap at home proving ________ can be brought from chemical suppliers.

Which kind of clothes do you prefer in summer?

Plastic which melt on heating and can be remoulded is known as

___________ is obtained from silk worms.

The clothes which are made from the fur of the animals.

The fibers like polyester, nylon and rayon are called