widely lo' qeq rigs tlhIl exploration, blast-qung, bIQ toH 'ej environmental investigations. severe vibration 'ej mup load bech cylinder during Qap qeq. chut lulajpu'bogh cylinders pong fully working je yaj 'ej customers SoQ cooperation je customers baS vaj qatlh reH much cylinders vaj toH 'ej not QIj.