TM 5-3805-280-10 Safety Signs Look for these signs on machine, which points out potential hazards to the safety of you and others. Read and understand thoroughly. Heed warnings and follow instructions. If you do not understand, inform your supervisor. Indicates the presence of a hazard which WILL cause serious injury, death or property damage, if ignored. Indicates the presence of a hazard which CAN cause serious injury, death or property damage, if ignored. Indicates the presence of a hazard which WILL or can cause injury or property damage, if ignored. Indicates important set-up, operating or maintenance information. 1-36