... ., can be delineated with yellow and black zebra, add "Warning" logo.l Other areas, such as safe passage, OFFICE and other ... regions of the warning mark to add "note" "prudence" and logo, to show description.4, escape routes and emergency equipmentl marked ... hydrant", "eye wash stations," and so on, affixed note logo.5, Pipeline logo in a variety of pipe labeling, indicating the level ...