Assertion: led | /r/MadeOf | pmma
Facets:
value: preferably
type: DEGREE
Source sentences:
text: Preferably, the LED fixing cover is made of a high light permeable material, such as PC, PMMA or the like, thereby increasing the illuminance of the light.
text: 25, the LED fixing cover 17 is made of a high light permeable material, such as PC, PMMA or the like, thereby increasing the illuminance of the light.