Assertion: bong | /r/MadeOf | plastic
Facets:
Source sentences:
text: Bongs can be made of glass, plastic, or ceramic, and come in many designs, including straight-tube, multi-chamber, and percolator bongs.
text: Bongs are made of glass or plastic, and the smoking product is placed in the bowl and ignited while the stem takes the vapors down to the base of the bottle where there is water.