Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; Apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable media, computer software, blank digital or analogue recording and storage media; Mechanisms for coin-operated apparatus; Calculating devices; Computers and computer peripheral devices; Fire-extinguishing apparatus; Internet of things hardware and software; Computer hardware modules for use in Internet of things electronic devices; Computer application software for smart phones, mobile phones, smart televisions, handheld electric communication devices for use in Internet of things; Devices and software for use to connect and control internet of things devices; Apparatus for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes