The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least seven forward speed ratios and one reverse speed ratio. A heat-resistant alloy of this invention includes a first phase, as a main component, containing a Mo or W metal phase, a second phase containing a Mo\u2014Si\u2014B-based alloy, and a third phase containing titanium carbonitride, wherein the balance is inevitable compounds and inevitable impurities. The sleeve that slides or rolls up the tower is equipped with stirrups to provide a structural receptacle for the locking forks. Tightening develops resistance and as the rotating nut slows down, the socket’s irregular faces displace nut crest material circumferentially. Then, the light passes through the ink and reaches the preventive member. It also relates to pharmaceutical compositions for the prevention of chemotherapy-induced alopecia.