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The pyramid shafts in Khufu's pyramid were pointed towards specific stars in the constellation of Orion. These shafts were believed to have symbolic importance and were used as a means to guide the pharaoh's soul towards the afterlife.
flexible
They are used in axle, drive, and steering shafts.
trevas
silver metal
A pyramid is used to hold the dead bodies of the pharaoh and his family.
A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power. Couplings do not normally allow disconnection of shafts during operation.
A manometer instrument is used to check the alignment of two shafts.
clutch
it is used to provide support for long shafts.
In 1826, a club-maker, Robert Forgan of Scotland, began to use hickory imported from America to manufacture shafts.
A downward pointing triangle is often used to represent "female".