In the past, ships had to be cleaned using abrasives or solvents that were able to cut successfully through embedded grease and grime; however, past solvents were so dangerous to workers that Burton was motivated to finding a solution that was effective and less caustic.
Ships had to be cleaned using abrasives or solvents. This was in the past. These abrasives or solvents were able to cut successfully through embedded grease and grime. Burton was motivated to finding a solution. This solution was effective and less caustic. Past solvents were so dangerous to workers this. This was however.