DANGER MEN WORKING BELOW (ARROW DOWN)
DANGER MEN WORKING DON'T START
DANGER MEN WORKING OVERHEAD
DANGER METHANOL
DANGER MICROWAVE FREQUENCIES PRESENT
DANGER MICROWAVE OVEN PERSONS WEARING PACEMAKER SHOULD NOT ENTER BUILDING
DANGER MINE SHAFT NO TRESPASSING
DANGER MOVING MACHINERY
DANGER NATURAL GAS
DANGER NEVER REACH INTO MOVING MACHINERY
DANGER NIP POINT
DANGER NITRIC ACID
DANGER NITROGEN
DANGER NITROGEN - PELIGRO NITROGENO
DANGER NITROGEN GAS PURGE BEFORE ENTERING
DANGER NO ADMITTANCE
DANGER NO ADMITTANCE EXCEPT TO EMPLOYEES ON DUTY
DANGER NO ADMITTANCE WITHOUT A PERMIT
DANGER NO BURNING, WELDING OR OPEN FLAMES WITHOUT PERMISSION
DANGER NO BURNING, WELDING OR OPEN FLAMES WITHOUT PERMISSION PELIGRO NO QUEMAR, SOLDAR O ABRIR FLAMAS SIN PERMISO
DANGER NO HOT WORK NO SMOKING NO OPEN LIGHTS
DANGER NO SMOKING - PELIGRO NO FUMAR
DANGER NO SMOKING AT ANY TIME
DANGER NO SMOKING BATTERY CHARGING AREA
