Furnace burners for liquid fuel, for pulverised solid fuel or for gas; mechanical stokers, including their mechanical grates, mechanical ash dischargers and similar appliances
Vedelkütuse-, peenestatud tahkekütuse ning gaaskütusepõletid; mehaanilised kihtkolded, k.a nende mehaanilised restid, mehaanilised tuhaeemaldid jms seadmed