Pick up the correct statements from the following:
(A) Cracks appear on the plastered surface in the form of hair cracks
(B) In brick work, the efflorescence is removed by applying a solution of zinc sulphate and water
(C) Excessive thermal variations in the backing or plaster causes the plaster to fall
(D) All the above
(A) Cracks appear on the plastered surface in the form of hair cracks
(B) In brick work, the efflorescence is removed by applying a solution of zinc sulphate and water
(C) Excessive thermal variations in the backing or plaster causes the plaster to fall
(D) All the above