scientific, nautical, surveying and electrical apparatus and instruments (including wireless), photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus; talking machines; cash registers; calculating machines; fire-extinguishing apparatus; computers
Electrical and Scientific Apparatusinstallations for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Environmental Control Apparatus