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abstract, automation, background, blue, centralized, communication, computer, concept, conservation, construction, control, controller, design, device, digital, electricity, electronic, energy, engineering, environment, future, futuristic, home, house, icons, illustration, innovation, internet, light, management, media, mobile, modern, monitoring, network, online, power, protection, remote, safety, security, smart, smart house, software, system, technology, things, wifi, wireless,