Building Materials
Commonly used thinner in

Oil paints, is naphtha
All listed here
Lacquer paints, is alcohol
Cellulose paints is ethyl acetate

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Building Materials
The basic purpose of a retarder in concrete is

To decrease the initial setting time of cement paste in concrete
To increase the initial setting time of cement paste in concrete
To render the concrete more water tight
To improve the workability of concrete mix

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Building Materials
The plywood

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

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