Ключевые слова: 3d, 3d illustration, billboard, black, black background, blue, carpentry, circles, computer, computer graphic, computer icon, computing, construction, construction site, copy space, copyspace, creativity, curve, data protection, design, development, digital, digital composite, digitally generated, engineering, futuristic, gain, geometric shapes, glow, glowing, gradient, grate, gray, hand tool, icon, illustration, light, lines, lock, maintenance, metal, metallic, number, pattern, plank, profession, progress, repetition, safety, scaffolding, secure, security, shape, shapes, shining, speech bubble, support, symbol, symbols, technology, text, three dimensional, wireless, wood, workman,