Ключевые слова: abstract, adjustable, background, blank, business, button, cancel, clipart, close, concept, cross, delete, design, dismiss, element, engineer, equipment, exit, flat, graphic, icon, illustration, isolated, mechanical, modern, object, remove, repair, rounded, service, sign, silhouette, spanner, style, symbol, technology, terminate, tool, toolkit, undo, web, work, wrench, x,