Assertion: diaphragm | /r/CapableOf | enable the user
Facets:
value: to adjust the amount of light
type: PURPOSE
Source sentences:
text: A diaphragm on a microscope is the piece that enables the user to adjust the amount of light that is focused under the specimen being observed.
text: A diaphragm on a microscope is the piece that enables the user to adjust the amount of light that is focused under the specimen being observed.
text: A diaphragm on a microscope is the piece that enables the user to adjust the amount of light that is focused under the specimen being observed.