Assertion: diaphragm | /r/HasProperty | the piece
Facets:
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.