9 Fire protection apparatus; fire extinguishing apparatus; clothing for protection against fire; gloves for protection against accidents, irradiation and fire; fire hoses; industrial hoses; electric and electrical components for fire protection and fire extinguishing apparatus; pressure switches for fire protection apparatus; water-flow detector apparatus; scientific, nautical, surveying, photographic, cinematographic, optical, weighting, measuring, signalling, checking, life-saving apparatus and instruments in relation to protection from accidents, irradiation and fire; fire control apparatus; fire protection systems; water flow detector instrument, pressure switch and supervisory switch all used in relation to managing water flow