Assertion: beaker | /r/HasProperty | covered by a watch glass
Facets:
value: in use
type: OTHER
value: to prevent loss
type: PURPOSE
Source sentences:
text: However, when in use, beakers may be covered by a watch glass to prevent contamination or loss of the contents, but allowing venting via the spout.
text: However, when in use, beakers may be covered by a watch glass to prevent contamination or loss of the contents, but allowing venting via the spout.
text: However, when in use, beakers may be covered by a watch glass to prevent contamination or loss of the contents, but allowing venting via the spout.