For example, new energy efficient ballasts are used for fluorescent light fixtures, motion sensors are being placed in classrooms, incandescent lights are being changed to fluorescent, and energy conservation measures are used for chemical fume hoods.
(incandescent lights; are being changed; to fluorescent) (energy conservation measures; are used; for chemical fume hoods) (motion sensors; are being placed; in classrooms) Context(motion sensors are being placed,List([84, 115))):(new energy efficient ballasts; are used; for fluorescent light fixtures)
motion sensors are being placed,List([84, 115))
incandescent lights energy conservation measures motion sensors new energy efficient ballasts
are being changed are used are being placed are used
to fluorescent
for chemical fume hoods
in classrooms
for fluorescent light fixtures