Topic: TECHNOLOGY
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heavy-duty
1 heavy-duty materials are strong and thick and not easily damaged :
heavy-duty canvas
heavy-duty canvas2T heavy-duty machines or equipment are designed to be used for very hard work
3 informal especially American English very complicated, serious, or extreme :
Today, she was going to do some heavy-duty cleaning.
Today, she was going to do some heavy-duty cleaning.WORD FOCUS: strong 
person: tough, muscular, wiry, powerful
thing: tough, sturdy, durable, rugged, heavy-duty, indestructible, well-made, robust
country/organization: powerful, mighty, influential, dominantstrong
➔ See also strong

person: tough, muscular, wiry, powerful
thing: tough, sturdy, durable, rugged, heavy-duty, indestructible, well-made, robust
country/organization: powerful, mighty, influential, dominantstrong
➔ See also strong
