Danger - unmanned machinery space
Code: W18
Danger - battery charging
Code: W19
Danger - low oxygen level
Code: W20
Danger - moving machinery
Code: W21
Danger - beware of trucks
Code: W22
Danger - under maintenance
Code: W23
Danger - lift well
Code: W24
Danger - solvents
Code: W25
Danger - overhead working
Code: W26
Danger - dust hazard
Code: W27
Danger - no escape
Code: W28
Danger - hot
Code: W29
Danger - asbestos
Code: W30
Caution - lift well
Code: W31
Caution - out of order
Code: W32
Motor starts and stops automatically
Code: W33
Isolate before removing guards
Code: W34
Hazardous area
Code: W35
Warning - hazards
Code: W36
Mind your head
Code: W37