Building Materials
The preparation of surface of stone to obtain plain edges or to obtain stones of required size and shape is known as

Quarrying of stones
Blasting of stones
Dressing of stones
Seasoning of stones

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Building Materials
The plywood

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

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