Building Materials
Excess of alumina in brick earth makes the brick

To crack and warp on drying
Brittle and weak
Impermeable
To lose cohesion

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Building Materials
Veneering means

Carving out designs on timber planks
Thin layer of superior wood glued to inferior wood
Thick layer of superior wood glued to inferior wood
Chemically treating timber planks

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Building Materials
Priming consists of

8 parts of white lead, one part of chalk and four parts of twice boiled linseed oil
None to these
One part of white lead, 8 parts of chalk and four parts of twice boiled linseed oil
One part of white lead, 8 parts of chalk and one part of linseed oil

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