00438nam a2200157Ia 4500003000400000005001700004008004100021040000900062082002000071100002700091245002700118260005500145300001000200630001800210650005200228OSt20220318071821.0211109s9999||||xx |||||||||||||| ||und||  csbcl  a613.7406bSIV-Y  aSivanandha, Saraswathi 0aYoga Chikilsa Sasthram  bKamalalya Printing WorksaThiruvananthapuramc1978  a620p.  xGENERAL STACK  atechnologyvpersonal health and safetyGeneralia