de-commission (verb) decommission: withdraw from active service
Sinonime: breach,
break,
chasm, chink, cleft,
crack,
cut,
eye,
fissure,
gap, gash, interstice,
opening, orifice,
outlet,
passage, perforation, pinhole, puncture,
rift,
rupture,
slash, slit, slot,
space,
vent