Centrifugal microfiber manufacturing machines and structural parts therefore, namely, centrifugal microfiber processing chambers, microfiber collectors, nozzles used with equipment to make microfibers, needles used with equipment to make microfibers, spinnerets used with equipment to make microfibers, needle holders used with equipment to make microfibers, nozzle and needle holder sets used with equipment to make microfibers, heating elements being machine parts used with equipment to make mi...