Objects in image: Traffic sign
Text visible in image: CAUTIO, UNIVERSAL, SITE, SAFETY, V, Site, Danger, work, traffic, LEFT, 9, TURN, ONLY, 0, CHM, exit, Fire, T, T, rentnied, Danger, Keep, out, 80, SLOW, lease, chil, hildren, keep, rst, aid, R082, 2T, SS, harness, Safety, helmets, must, 1977, this, Deep, Danger, Fire, exit, Push, bar, smoking, water, open, Keep, clear, operating, CCTV, WARNING
Question: what is the top left sign cautioning about?
Answers: site traffic, site traffic, site traffic, site traffic, site traffic , site traffic, site traffic, 3, site traffic, site traffic