Yueming CMA0604-B-A Product Operation Manual page 15

Laser radiation label, which means that the laser is category IV. Laser radiation exists
when the interlock fails. Be careful to protect the eyes and skin against laser harm
Laser window label, which means that there is laser passing through and be careful to
avoid laser harm
Toxic fume label, which means that the equipment will produce toxic fumes /
particles in the processing of certain materials, and remind users to take protective
measures
Warning label, which means that you need to wear a mask when operating the
equipment
Warning label, which means that you need to wear protective glasses when the door
open
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