Dev, R. Workshop calculations and science (Welder, moulder, sheet metal, carpenter, plumber, painter, blacksmith, upholstery)/ R. Dev, R.P. Kumar and K.C. Narang - New Delhi: New Heights, [19-?] - [ca. 500 p.]; 21 cm. ISBN: Rs. 18.75 Subjects--Topical Terms: workshopsMensurationMetalsElectricityHeatMaterials Dewey Class. No.: 621.75