under water welding-s.saravanakumar,ice,srptc
Http://upload.wikimedia.org/wikipedia/commons/a/a7/US_Navy_070517-N-9928E- 009_Hull_Technician_Fireman_Zach_Carver_brazes_a_pipe_fitting_with_an_oxy- acetylene_torch_in_engineering_department%27s_welding_shop_aboard_Nimitz-
Introduction to Welding
Kirk professional building equipment catalogue 2014
