Explain the Differences Between Coal Tar and Asphalt as Roofing

question 17

Essay

Explain the differences between coal tar and asphalt as roofing bitumen, and state why coal tar is not commonly used.

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Definitions:

Over The Telephone

A mode of communication or interaction that occurs through voice calls using telephones.

Increased

Refers to a quantity or condition becoming larger in size, number, value, strength, or intensity.

Decreased

Becoming smaller or less; a reduction in size, quantity, or intensity.

Bystander Intervention Effect

The phenomenon in which the presence of others discourages an individual from intervening in an emergency situation.