Building Materials
Asbestos

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

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Building Materials
The plywood

Can be spilt in the plane of the panel
Has greater impact resistance to blows than ordinary wood
Cannot be bent more easily than ordinary wood of same thickness
Has good strength along the panel only

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