a team of riggers or roughnecks handling oil drum

2015 august barge basket beam cargo construction coverall danger deck diesel drilling drum exploration field fossil gas gasoline handling hardhat hat hazard heavy helmet hydraulic hydrocarbon instalation job logistic lubricant malaysia man manual marine mariner maritime metal nautical net occupational offshore oilfield oilrig petroleum ppe production project riggers rolling roughneck roughnecks safety scaffolding seaman seamen shipping spill steel structure sule supervise supervisor team teamwork terengganu upstream wooden work worker