This Sub-class includes manufacture, repair and/or maintenance of: •electrical and/or other industrial and/or laboratory furnaces and/or ovens, including incinerators •burners •permanent mount electric space heaters, electric swimming pool heaters •permanent mount non-electric household heating equipment, such as solar heating, steam heating, oil heat and/or similar furnaces and/or heating equipment •electric household-type furnaces (electric forced air furnaces, heat pumps etc), non-electric household forced air furnaces •mechanical stokers, grates, ash dischargers, etc
•manufacture of household ovens see 27501 •manufacture of agricultural dryers, see 28251 •manufacture of bakery ovens, see 28251 •manufacture of dryers for wood, paper pulp, paper or paperboard, see 28299 •manufacture of medical, surgical or laboratory sterilisers, see 32509 •manufacture of (dental) laboratory furnaces, see 32509