Building Construction
For constructing a terrazzo floor, Pick up the incorrect statement from the following:

A base course is prepared as in cement concrete flooring
Glass strips are driven into the layer according to the pattern required
A 32 mm thick layer of cement concrete (1 : 2 : 4) is laid on the base course and the surface is made smooth by trowelling
After final grinding is over, oxalic acid mixed with water is spread over and rubbed hard with soft material

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Building Construction
Assertion A : Shishum is used for decorative woodwork.Reason R : Shishum can be polished to an excellent finish.Select your answer according to the coding system given below:

A is false but R is true
Both A and R is true and R is the correct explanation of A
A is true but R is false
Both A and R is true but R is not the correct explanation of A

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