Assertion: rotary hammer | /r/ObjectUse | used on masonry
Facets:
Source sentences:
text: But this is not without a downside—rotary hammers are much larger and bulkier than hammer drills, and can only be used on masonry.
text: The rotary hammer (also known as a rotary hammer drill, roto hammer drill or masonry drill) combines a primary dedicated hammer mechanism with a separate rotation mechanism, and is used for more substantial material such as masonry or concrete.