Generate a correctly punctuated version of the following text: Tubes pipes and hollow profiles for example open seam or welded riveted or similarly closed of iron or steel excl of cast iron seamless tubes and pipes and tubes and pipes having internal and external circular crosssections and an external dia
Tubes, pipes and hollow profiles "for example, open seam or welded, riveted or similarly closed", of iron or steel (excl. of cast iron, seamless tubes and pipes and tubes and pipes having internal and external circular cross-sections and an external dia