A – pulley. The sash cord serves as a mechanism that facilitates The graceful opening and shutting of one's sashes by making it possible for them being counterbalanced from one another.  Here at Do-it-yourself Medical doctor, we provide completely absolutely free DIY and building assist and assistance to any and all, from https://ingrownnails68754.blogadvize.com/43230884/not-known-details-about-sash-windows