S-279
$5.90
SIGN: Check and Secure all Manhole Covers
[Safety reminder to tighten bolts and strong backs to prevent falling through the manholes.]
SIZE: 8.25 x 2.75
$23.00
SIGN: Warning. Dangerous Cargo. No Visitors. No Smoking. No Open Lights. [Use this sign, and not S-98), if any of your bulk cargo has hazards in addition to or other than flammability. Black print on white background in 3" letters is specified...
$19.00
SIGN: STANDARD HAND SIGNALS FOR CONTROLLING CRANE OPERATIONS [Black on white with 18 line drawing illustrations illustrating the hand signals.] SIZE: 18.5 x 12.5
$8.00
SIGN: Do Not Tie Up Here [Notice used by dock owners.] SIZE: 10 x 5.75
$25.50
SIGN: Light Shape & Sound Signals [International communication signals. An ISM code safety poster MPL1034W] SIZE: 13.0 x 18.5
