vise; vice
A clamping tool used in woodworking or metalworking to hold a workpiece securely.
作業台に万力を固定して、木材をしっかり挟んだ。
I fixed the vise to the workbench and clamped the wood firmly.
A mechanical device for winding rope or cable, used on ships or in construction. This sense is less common than the vise meaning.
船の錨を上げるために、乗組員は万力を回した。
The crew turned the capstan to raise the ship's anchor.
cargo net
A net used for securing or lifting cargo. This is a rare, specialized usage.
港湾作業では、万力を使って貨物を吊り上げることがある。
In port operations, cargo nets are sometimes used to lift freight.