Bring down and Drop hammer

Bring down verb - Move something or somebody to a lower position.

Drop hammer and bring down are semantically related In some cases you can replace phrase "Drop hammer" with "Bring down", this terms are similar.

Drop hammer noun - Device for making large forgings.

Bring down and drop hammer are semantically related in discharge a projectile topic. Sometimes you can use "Bring down" instead a verb phrase "Drop hammer".