Assertion: bunsen burner's burner | /r/HasProperty | also 4 parts
Facets:
Source sentences:
text: now think of the actual burner (also 4 parts) all associated under (number 5) horseplay: nothing in fire except instructed, don't touch the metal part of the burner if it has been lit for a while, no not leave the flame unattended, and keep/adjust the flame to yellow (mostly)