Assertion: rotary hammer | /r/ObjectUse | used on concrete
Facets:
value: for drilling holes
type: PURPOSE
Source sentences:
text: A rotary hammer is a tool that is used for drilling holes, especially on concretes or other tough materials.
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.