| Treatment of materials. Explanatory NoteThis Class includes, in particular:-services relating to transformation of an object or substance and any process involving a change in its essential properties (for example, dyeing a garment); consequently, a maintenance service, although usually in Cl. 37, is included in Class 40 if it entails such a change (for example, the chroming of motor vehicle bumpers);-services of material treatment which may be present during the production of any substance or object other than a building; for example, services which involve cutting, shaping, polishing by abrasion or metal coating;-the custom manufacturing of goods to the order and specification of others (bearing in mind that certain offices require that the goods produced be indicated), for example, custom manufacturing of automobiles.This Class does not include, in particular:-repair services (Cl. 37);-certain customization services, for example, the custom painting of automobiles (Cl. 37). | 
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