Maintenance of water pollution control equipment; septic tank pumping and cleaning; underwater waste cleaning services; waste cleaning services that use hydrographic surveying and the use of echo sounders, side scan sonar equipment satellites, and global positioning systems (GPS) to identify waste; cleaning of industrial premises; cleaning of storage tanks and containers; boiler cleaning and repair; cleaning of machines; cleaning of drains; cleaning of water tanks; cleaning of cargo holds; cl...

Surveying; Conducting geological surveys; Geological surveying; Marine surveying services; Technical surveying