Assertion: dumbbell | /r/HasProperty | easy to use
Facets:
Source sentences:
text: That's a great place to start, since dumbbells are inexpensive, require little space, and are easy to use.
text: Dumbbells are an easy way to put that external load on your body (and increase it) so that you can strengthen your muscles and other connective tissues, like your tendons and ligaments.
text: Are the dumbbells and Kettlebell easy to use and adjust?