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Yes they can
that is a fine answer
I believe you mean a "thrust block," and a thrust block is a special form of thrust bearing used by ships in order to resist the thrust of the ship's propeller shaft and transfer it to the hull.
They propel the aircraft by propellers or jet thrust.
Thrust. The pull of the propellers, the push of the jet engine, the pull of gravity.
If you are moving forward, the propellers are pushing it, if you are moving in reverse, the propellers are pulling it.
The ship!
They rotate and produce forward movement through thrust.
maximum thrust is obtained.
propellers
It's a plane that is propeller-driven. The engine or engines drive propellers to provide thrust for the craft.
a big ship