Is one allowed to drink the juices which oozed out during eating; grapefruit issues.
Folding garments that don't have a recognizable crease, folding so that it fits in the drawer or closet, and cleaning off the table after...
(Temporary Ohel) Important shailos which come up in conjunction with "Temporary Ohel" (Temporary roofing, temporary shelter);
Doing הכנה (Hachana) With the Yom Tov of סוכות (Sukkos);