thumb|right|upright=0.3|A crowbar with a curved chisel end to provide a lever|fulcrum for leverage and a goose neck to pull nails
thumb|right|upright=0.3|A crowbar with a curved chisel end to provide a lever|fulcrum for leverage and a goose neck to pull nails
A crowbar is a lever consisting of a metal bar with a single curved end and flattened points, used to force two objects apart or gain mechanical advantage in lifting; often the curved end has a notch for removing nails.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).