Ключевые слова: 45degree, alert, allowed, ban, circle, circlebackslash, contour, describe, diagonal, dont, earphones, flat, forbidden, headphones, headset, icon, illustration, inside, interdictory, isolated, label, law, line, lowerright, nay, no, not, outline, permitted, pictogram, prohibited, prohibition, red, restrict, restricted, restriction, safety, security, shape, sign, simple, stroke, symbol, template, trendy, upperleft, warn, website, zone,