Sterilisers and air and fluids sterilising apparatus; sanitisers, namely, ozone sanitizers for air and fluids, electric air sanitizing unit, [ sanitizing apparatus using ultraviolet light for sanitizing surfaces of objects, ] sanitizing apparatus using heat for sanitizing surfaces of objects, [ sanitizing apparatus using radiation for sanitizing surfaces of objects and disinfectant apparatus, namely, disinfectant apparatus for manufacturing purposes; ] decontamination units and decontaminatio...