(Melting ice.)
ודבר דבר (Dabair Davar): Understanding the Reasons Behind Talking About a Mitzvah on Shabbos;
Various important examples which come up on Shabbos in conjunction with the halachas of perfuming or putting in a nice smell into an item;
Various Examples of Sifting and Straining: When Meraked May Be a Rabbinical Prohibition;