00286nam a2200097Ia 4500100001800000654005800018245006400076260002800140300000800168546001200176  aBalchin N.C.   aHealth  & Safety  in welding  & allied  processes 4/e  aHealth and  Safety  in Welding and  Allied  Processors  4/e  bJaico PubaBombayc1995  a232  aENGLISH