(Tofer-תופר‎ Ep. 9) (#633) Tightening a strap or string on a hood, sleeve, child's hat, robe, etc.

to clog a small crack in a pipe. Turning off gas range. Putting on, taking off smoke detector. Unscrewing the bulb that's off;

דבר דבר (Dabair Davar): Going to Visit a Sick Person on Shabbos. More About תהילים Tehillim and מי שברך Mi Shebeirach;

(Melting ice.) the accepted ruling with putting ice or frozen drinks into a warm area; defrosting dry foods in a warm area;