Question

where is Bitumen used??​

Answer 1

Explanation:

Bituminous materials were used for the construction of roads, preserving timber and for waterproofing stone walls. Nowadays, they are extensively used for surfacing of road and airport pavements.

Answer 2

Answer:

Bituminous materials were used for the construction of roads, preserving timber and for waterproofing stone walls. Nowadays, they are extensively used for surfacing of road and airport pavements.

Hope it helps you...