Assertion: glass | /r/HasProperty | important
Facets:
value: for the manufacture of experimental apparatus
type: PURPOSE
value: in the field
type: LOCATION
value: in scientific laboratories
type: LOCATION
value: vitally
type: DEGREE
Source sentences:
text: Glasses made or doped with germanium or phosphates are vitally important in the field of.
text: Glass is an important material in scientific laboratories for the manufacture of experimental apparatus because it is relatively cheap, readily formed into required shapes for experiment, easy to keep clean, can withstand heat and cold treatment, is generally non-reactive with many reagents, and its transparency allows for the observation of chemical reactions and processes.