Special Features:

Smybol designs include triangle with exclamation mark in left top corner; rectangle with double arrow and person with hard hat; meaning warning (safe distance)

Properties:

An item which displays information, instruction, warning, direction, and the like, by means of word(s), symbol(s), color(s), or shape(s). It is not self-supporting and when attached to some form of backing becomes, and is used as, a sign. It may be reflective or nonreflective. Excludes decal and marker, identification.