OSHA issued an alert, formall warning that inhaling dust from stone fabrication is a health risk for workers.
These featured two separate buttons – one for “man down” – indicating an injuring on the plant floor, or “fire” – for a fire. The hard-wired boxes provided a means of alerting radio-equipped personnel to emergencies – but only when they were operational, which as they aged was rather hit or miss. Clearly, something had to be done.
Have something to say? Share your thoughts with us in the comments below.