A button and a switch next to a sign reading "DO NOT SWITCH OFF"

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Size: 5574px × 3763px
Photo credit: © Lensw0rld / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: alarm, attention, button, concentration, concept, concepts, control, emergency, icon, industry, machine, panel, safety, secure, security, switch, turn