The filler used in plastic bitumen, is

Pick up the hypabyssal rock from the following:

The size of mould for bricks, is generally kept

The commonly used drying oil for oil paints, is

The main constituent of cement which is responsible for initial setting of cement is

Pick up the correct statement from the following:

Pick up the synthetic resin from the following:

The main function of alumina in brick earth is

First class timber has an average life of