underground; below the ground; world of the dead; the grave; underground (activities, movement, etc.); secret
oh!; ah!; oh dear!; good grief!; dear me!; thank God!
control room; control booth
at the present time; as of now; at this time
other (place, thing, person); the rest; outside; beyond; nothing except; nothing but
device; equipment; machinery; apparatus
to be conspicuous; to stand out
to catch sight of; to see; to suppose; to assume from appearances
wearing (e.g. uniform, seat belt); having on
to try; to attempt; to have a go (at something)
(just) making sure; just to be sure; just in case; for caution's sake
surveillance camera; security camera
all; whole; entire; complete (set); in total
loss of power; power outage; blackout
emergency; extraordinary; unusual
startup; booting up; activation; starting (e.g. engine, computer); launch
pipe shaft (in a building); riser shaft
disappearance; vanishing; loss; dying away; wearing off
disconnection; interruption; burn-out
pattern; figure; state; condition; conjecture of the current situation; the way it seems; model
to leave; to exit; to leave (on a journey); to depart; to move forward; to come to; to get to
as is; as it is; as things are; like this; this way; at this rate
what?!; what did you say?!; why?; what for?; anyone; anything
situation; (present) state of affairs; circumstances
conclusion; resolution; gathering and bundling; convergence; focusing (e.g. light); convergence
is not; am not; are not; isn't it?
failure; mistake; blunder
punishment; spanking; smacking; chastisement; scolding
overtime; outside of hours (school, office, surgery, etc.)