Ключевые слова: alert, announcement, banner, barrier, billboard, board, build, business, businessman, caution, concept, construction, danger, development, internet, label, maintenance, message, notice, page, placard, planning, problem, progress, project, recondition, repair, safety, seal, security, service, shop, sign, signboard, site, solution, sorry, stop, support, symbol, technical, test pattern, tv, warning, web, webpage, website, work, workshop, www,