prerssure plate release lever..
The Latin name for the diaphragm is diaphragma.
Clutch cover
a Clutch.
The vernal equinox is also known as the spring equinox.
spring tides.
That is the Vernal Equinox; as opposed to the first day of Fall's Autumnal Equinox.
Spring Equinox. Try that, otherwise I can't help.
Nothin that you need to bother your beeswax about
spring, bore, borehole, waterhole
It is the thoracic diaphragm, or simply diaphragm.
Another name for a spring scale is a dynamometer. It is a device used to measure the force exerted on an object by a spring.
geyser, mudpot or mud pot, fumarole