Building Materials
Asbestos

Is a natural fibrous mineral substance
All of these
Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3)
Contains iron oxide and alumina

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Building Materials
Veneering means

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

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