The world’s largest arms factory was established by

The first railway line connected the cities of

Steam engine was invented by

Who invented the manufacturing system of coke?

Who invented the electric dynamo?

Who invented the method of making of ‘Pakka’ roads?

The canal builder James Brindley was almost

The puddling furnace and rolling mill was invented by

……….. was derived from coal by removing the sulphur and impurities.

The following was invented by Richard Arkwright