Anti-personnel bomb and Cluster bomb

Anti-personnel bomb noun - A bomb with only 10 to 20 per cent explosive and the remainder consisting of casings designed to break into many small high-velocity fragments; most effective against troops and vehicles.

Cluster bomb and anti-personnel bomb are semantically related. In some cases you can replace phrase "Cluster bomb" with "Anti-personnel bomb", this phrases are similar.

Cluster bomb noun - Bomb consisting of a canister that is dropped from a plane and that opens to release a cluster of bomblets (usually fragmentation bombs) over a wide area.

Anti-personnel bomb and cluster bomb are semantically related. Sometimes you can replace phrase "Anti-personnel bomb" with "Cluster bomb", this phrases are similar.