Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders

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Joining sub-units or components to body shell or other sub-units or components of motor vehicles or trailers Connecting or fastening roof covering slabs or stiff sheets by permanent deformation of, or by forcing together, the marginal portions of adjacent slabs or sheets, e.g. by folding the edges , Apparatus for working, e.g. connecting, roof coverings comprising slabs, sheets or flexible material Methods or apparatus for setting of, e.g. expandable, casings, screens or liners in wells Apparatus or processes specially adapted for forming connections of electric conductors by deformation, e.g. crimping tools