... , warehouse, partitions, sheds, gutters, wall, underground piping, sashes, beams, fences, scaffolding, indoor decorations, ducts, ventilating pipes, steel frames and cable trays ... (M)-99 CS TYPE A,B,C---------CommercialA792(M)-99 FS---------Lock FormingA792(M)-99 DS---------DrawingA792(M)-99 SS Grade33 ...