Firepits being non-portable outdoor fireplaces; fireplaces; fires being outdoor heaters for use with solid, liquid and gaseous fuels, gas patio heaters; gas fires; ethanol fireplaces; propane gas-fired water heaters; fireplace inserts in the nature of heat exchangers, solid fuel burners, gaseous fuel burners, liquid fuel burners, stoves; burners, namely, solid fuel burners, gaseous fuel burners, liquid fuel burners; burners for heating installations, namely, solid fuel burners, gaseous fuel b...