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(a)State four advantages of using corrugated iron sheets for roofing instead of asbestos (b)Give two reasons for spreading a polythene paper in the slab of...

      

a)State four advantages of using corrugated iron sheets for roofing instead of asbestos.
b)Give two reasons for spreading a polythene paper in the slab of farm buildings.

  

Answers


johnson
(a)
-Non-poisonous and useful in water harvesting.
-Light to avoid roof overloading.
-Easily available.
-Need less skilled labour.
(b)
-Prevent moisture from rising up.
-Prevent coldness from ascending.
-Control the rising of termites.
johnson mwenjera answered the question on February 10, 2018 at 16:44


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