black and yellow striped safety tape border on white background

yellow workplacesafety white warningtape warningsign warning used trafficsafety tape stripes striped sitewarning sitesafety signage security safetysigns safetymeasure safetybarrier safety protectionmeasure protection precautionsign precautions precautionary precaution maintenance isolated industrialsafety industrial hazard guardrail guard emergency constructionzone constructionsite constructionsafety construction commonly caution border black barrier background alert