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The shell is not only screw-shaped, but also has some asymetrical distortions on the sculpture of the "keel".
Taucha, for coffee roasters with movable partitions and "screw-shaped declining walls."
According to lore, Archimedes created a device with a revolving screw-shaped blade to pump water against gravity: the Archimedes screw.
Because if this new screw-shaped coffin catches on, you're out of a job.
“The pipe running from the lower part of the balloon runs into this cylindrical receptacle through the lower plate; it penetrates the latter and then takes the form of a helicoidal or screw-shaped spiral, the rings of which, rising one over the other, occupy nearly the whole of the height of the tank.