the t shoped aluminium section can resist chemical action aluminium is. (C)

Building materials.

a)the polythene membrane can pevent moisture from rising into the concrete floor this means polythere is. (E)

b)the T shoped aluminium section can resist chemical action aluminium is. (C)

d) the corrugated iron roof cannot prevent the sun from heating up the house, iron is. (A)

c) the stone block cannot be lifted without using a crane this meaus stone is.(D)

e) glass wool can help to keep a hause warm in the winter and cool in the summer.(H)

f) the ceramic tiles on the floor cannot be seratched easily by people walking on them. This means that ceramic tiles are. (B)

g) as bestos sheeting can be used to fireproof doors . An other words asbestos is. (F)

h) Black cloth blinds can be used to keep the light out of a room cloth is. (G)