Tender For corrigendum : supply of dgms approved digital multi gas detector for determination of ch4 (methane, co (carbon mono oxide) , noise dosimeter for under ground mines , personal dust sampler (pds)
Tender For supply of noise dosimeter , personal portable gas detector ammonia , personal portable gas detector sulphur dioxide , personal portable gas detector carbon monoxide , personal portable gas detector chlorine , personal portable gas detector hydrogen sulphide , gas detection tube , multi gas detector (v1) (q2)