a standard diving dress hard hat or copper hat equipment set against a yellow backdrop

yellow one single backdrop background computer generated graphics illustrations isolated two three dimensional dimension jet black bold outline outlines outlined silhouette shape shapes shaped diving dive hard hat hardhat hardhats hats copper equipment deep sea suit heavy gear underwater water ocean marine salvage salvaging commercial work naval helmet helm helms helmets brass waterproof air hose supply supplied breath breathe breathing compressor pump pumps compressors counter counteract buoyancy rebreather system systems