A great step forward has been made towards mechanisation of the building industry with REDUCTION IN LABOUR COSTS for plastering civil and industrial buildings. ---Easy to Operation A SAVING OF 50% is easily made without employing specialized workmen, since the JSD plaster sprayer, operated even by an unskilled worker, plaster surfaces with greater adhesion than was ever possiblewith manual application. ---Working Fast A workmen, with a supply of material handy, can easily coat an area of 650 sq. ft. with a 1/3 ins, tick plaster, of any kind, using a JSD plaster sprayer. ---Widely Application Even very thin layers of plaster may be applied with the JSD plaster sprayer thus cutting down cost, reducing waste and speeding up plastering operations.