Delay detonator and Delay-action exploder

Delay-action exploder and delay detonator are semantically related. In some cases you can replace phrase "Delay-action exploder" with "Delay detonator", this phrases are similar.

Delay detonator and delay-action exploder are semantically related. Sometimes you can replace phrase "Delay detonator" with "Delay-action exploder", this phrases are similar.