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

Glass strips are driven into the layer according to the pattern required
A base course is prepared as in cement concrete flooring
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
In the method of tube boring of soil investigation, the following is essential:

A flap valve at the bottom of tube is provided to extract the soil sample
A tube of about 2 meters length and 20 cm diameter with a cutting edge
The tube is raised and lowered by 4 thick rope moving over a pulley suspended on a tripod stand
All listed here

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