Anyị bụ ndị isi ụwa ugbu a na nrụpụta valve maka ụlọ ọrụ Chemical na Petrochemical.Hikelok nwere ike inyere gị aka ịga nke ọma.Site n'inye ihe ngwa ngwa dị iche iche nke na-ezute ma ọ bụ karịa ụkpụrụ ụlọ ọrụ iji chepụta nkwado sitere n'aka ndị injinia nwere ahụmahụ, a na-eji akwa Hikelok tube, valves na tubing mee ihe n'ọtụtụ ngwa ngwa ngwa ngwa gụnyere: ọkwa nrịba nrụnye okpomọkụ nha nha nha ikuku gas. calibration, ịgbanwee na oyi usoro jide sample ọdụ