surveillance camera; security camera
wired; cabled; communication by wire
round; spherical; circular
(television, radio, etc.) receiver
correspondence; communication; transmission; news; signal; telecommunications
infrared rays; infrared radiation
dark place; unlit spot; darkness
short distance; close range
two-way; bidirectional; interactive
option; choice; optional extra; individual item; separate item; option
radio (communication); wireless; not using wires
concern; circumstance which is becoming a problem; case (court)
implication; nuance; shade of meaning; connotation
image (on a screen); picture (e.g. on a TV); video; film; reflection; image (in one's mind)
buzzer; personal alarm (loud buzzer to attract attention in case of attack)
airplane; aeroplane; plane; aircraft
retro; nostalgic; old-fashioned
large room; green room; waiting room for performers when off stage; junior actor; actor of small parts; large hospital room (for several patients)
(large) building; public building; hall
plump; rotund; chubby; entirely; completely; wholly
remodelling; remodeling; reorganization; reorganisation
steel frame; steel beam; steel girder
homemade; made in-house; housemade; made on the premises
fee-charging; paid; not free; toll road
(written) explanation; explanatory label (e.g. in a museum); information sign (e.g. at a tourist spot); instructions (e.g. for a product)
glass (drinking vessel); glass (material); glasses (eyewear)