Question

what are the advantages of coal tar​

Answer 1

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Coal tar belongs to a class of drugs known as keratoplastics. It works by causing the skin to shed dead cells from its top layer and slow down the growth of skin cells. This effect decreases scaling and dryness. Coal tar can also decrease itchiness from these skin conditions.

Answer 2

Explanation:

Coal tar coatings have a low permeability to moisture (water), high dielectric resistance, good anti-fouling properties and they are resistant to barnacles