- a designed for heavy work
a heavy-duty detergent
- As a result of decisions the Marine Corps made over the past decade, the aircraft lacks a heavy-duty, forward-mounted machine gun to lay down suppressing fire against forces that .
- Doctors could prescribe heavy-duty painkillers, but regular use often triggered even more painful episodes.
- The New York-based environmental NGO is focusing on these unknown pollution hotspots mostly in the developing world where the kind of heavy-duty industrial contamination .