W001 - General warning sign
W002 - Explosive material
W003 - Radioactive material or ionizing radiation
W004 - Laser beam
W005 - Non-ionizing radiation
W006 - Magnetic field
W007 - Floor level obstacle
W008 - Drop (fall)
W009 - Biological hazard
W010 - Low temperature / freezing conditions
W011 - Slippery surface
W012 - Electricity
W013 - Guard dog
W014 - Fork lift trucks and other industrial vehicles
W015 - Overhead load
W016 - Toxic material
W017 - Hot surface
W018 - Automatic start-up
W019 - Crushing
W020 - Overhead obstacles
W021 - Risk of fire / Flammable materials
W022 - Sharp elements
W023 - Corrosive substance
W024 - Crushing of hands
W025 - Counter rotating rollers
W026 - Battery charging
W027 - Optical radiation
W028 - Oxidizing substance
W029 - Pressurised cylinder
W030 - Hand crushing between press brake tool
W031 - Hand crushing between press brake tool
W032 - Rapid movement of workpiece in press brake
W033 - Barbed wire
W034 - Bull
W035 - Falling objects
W036 - Fragile roof
W037 - Run over by remote operator controlled machine
W038 - Sudden loud noise
W039 - Falling ice
W040 - Roof avalance
W041 - Asphyxiating atmosphere
W042 - Arc flash
5 categories of ISO 7010 safety signs