37 [ Construction, repair, installation, and maintenance of apparatus for heating and steam generating, namely, stoves, multi-fuel stoves, wood burning stoves, cast iron wood burning stoves, gas stoves, freestanding stoves, camping stoves, combined stoves, smoke control stoves, stoves for cooking, cast iron solid fuel stoves; construction, repair, installation, and maintenance of fireplaces, fire surrounds, fire backs, fire grates, firewood, stove pipes, dampers, gas fires, ash boxes, central heating boiler stoves, convector kits for stoves, doors and glass plates, stove door traceries, stove stands, add-on boilers for stoves, flues, chimney flues, flues incorporating extractors, flues incorporating fans, flues for heating apparatus, flues for heating boilers, flues of metal; construction, repair, installation, and maintenance of chimney extractors, chimney fans, chimney dampers, canopies for stoves; information, advisory and consulting services in relation to all the aforesaid services ]