(c) download selected samples from the gear-reducing plant. In germany, there are four series of gear-reducing machines produced by boserl, namely, the r series, the r series, the r series, the rv, the f series, the k series, the k series, and the s series, the s series, the s series. below is the r-series coaxal slashGeared motorSamples, if selected, for the other three series, are available on the web site. Thank you for reading this article