Plastering is coating which may apply by thin successive layers on a vertical supports of masonry or concrete with a decorative and/or protection aim or to standardize a surface need to support another coating (paint for example). And plastering worker is a worker who works the mortar covering on walls and usually builds work where the cement or the lime is one of the main constituent. Before starting plastering the structure which is required for plastering should chiseled used for surface to holding the mortar but in the case of ribbed slab no need of chiseling because HCB can trap the mortar easily. Plastering work has three coats (layers):- 1,First coat “berarigirf” 🔸Mix proportion, 1:4 (cement sand by volume with sufficient water) of mortar 🔸Spread by trowel & allowed to cure for 24 hrs before applying second coat. 🔸Has thickness of 0.5 – 1 cm , which is plastered by mortar 2,Second coat “mulet” This layer is about 1.5cm-2.5cm which is done by mortar...