metal-working machines, namely profile rollers; automatic profile-roller systems consisting of profile-rolling dies, thread-rolling dies, infeed-rolling dies, throughfeed rolling dies, spline-rolling dies, planetary dies, automatic dies, ring-rolling dies, and flat-rolling dies; automatic dies, ring-rolling dies, and flat-rolling dies; automatic ring-rolling systems consisting of profile-rolling dies, thread-rolling dies, infeed-rolling dies, throughfeed rolling dies, spline-rolling dies, pla...