[Class : 11] Heat Accumulators; Air Reheaters; Hot Air Apparatus; Structural Plates For Ovens; Flare Stacks For Use In The Oil Industry; Burners; Heat Regenerators; Oven Fittings Made Of Fireclay; Chimney Flues; Chimney Blowers; Heat Exchangers, Other Than Parts Of Machines; Furnaces, Other Than For Laboratory Use; Fittings, Shaped, For Furnaces; Furnace Grates; Furnace Ash Boxes; Incinerators; Coils [Parts Of Distilling, Heating Or Cooling Installations]; Solar Furnaces; Kiln Furniture [Supports]; Heating Filaments, Electric; Heating Cushions, Electric, Not For Medical Purposes; Blankets, Electric, Not For Medical Purposes.[Class : 42] Construction Drafting; Conducting Technical Project Studies; Engineering Services; Research And Development Of New Products For Others; Technological Consultancy.