Valmik Mahajan

design steel hygiene environmental sanitation energy ecosystem ecology brick masonry slab construction bond building construction material used fluid mech application fluid weld plug slot fillet weld butt weld disadvantages advantages welded connections tension member pinned riveted welded bolted connections classification of cross sections philosophies types of sections rolled sections curve strain stress structures properties grade shear bond torsion bar reinforcement work drainage cross cross drainage work composting & vermicomposting for kitchen waste vermicoposting earthworm composting degradation of kitchen waste