Light weight bullet proof helmets and jackets use which of the following fibres for their production ?

What is the ‘fibre’ used to make bulletproof jackets?

Which one of the folowing is an example of melamine used for making floor tiles?

At which stage in its life cycle, does the silkworm yield the fibre of commerce?

With reference to polyethylene terephthalate, the use of which is so widespread in our daily lives, consider the following statements : 1. Its fibres can be blended with wool and cotton fibres to rei…

Consider the following: I. Cigarette butts II. Eyeglass lenses III. Car tyres. How many of them contain plastic?