Industrial Safety Warning Symbols on Metal

A comprehensive collection of warning symbols arranged vertically on a dark industrial metal panel. The display progresses from white skull-and-crossbones and biohazard symbols at the top, through various green hazardous material warnings in the middle section, to orange and red danger indicators below. Each row is labeled and organized by hazard type, creating a systematic reference guide of safety symbols. The stark contrast between the bright warning colors and the textured metal background emphasizes their cautionary purpose, while the bottom row features protective equipment symbols, completing this visual safety reference.