clea - coll
- clean
- Clean Air act
- clean airflow
- clean burning oil burner
- clean burning propellant
- clean coal
- clean coal magnetic separator tailings
- clean drains tank
- clean fringes
- clean fuels
- clean hydraulic system
- Clean Lakes Program
- clean reconstructed image
- clean record
- Clean Rivers (Estuaries and Tidal Waters) Act
- clean sheet design
- Clean Sites, Inc.
- Clean Streams Law
- clean sweep device
- clean typewritten copies
- clean water
- Clean Water Act Amendments
- Clean Water Coalition
- Clean Water Restoration Act
- clean water system
- clean-cast shroud
- clean-up (of oil spills)
- clean-up boat
- clean-up of spills of oil
- clean-up pass
- clean-up requirements
- clean-up runs
- cleanability
- cleaned gas
- cleaner
- cleaner circuit
- cleaner magnetic separator
- cleaner spiral
- cleaner spiral tails
- cleanglow
