sterilization, disinfection and decontamination apparatus, namely, sterilizers, waste sterilizers, [ water sterilizers, air sterilizers, ] disinfectant apparatus for medical purposes, [ apparatus for disinfecting water, ] apparatus for disinfecting biomedical waste; [ and dish disinfectant apparatus for industrial purposes; electric furnaces for heat treatment; water treatment filters; air treatment apparatus, namely, air purifiers, and ionization apparatus for the treatment of air; ] ovens f...