Using a napkin to remove the oil, fish juices used to dip challah in to.
(Squeezing materials.) introduction to the halachas of a "SPONGE";
Is Walking on Shabbos to Go Do Something After Shabbos a Problem of הכנה (Hachana)?;
is there a difference when opening a bag if the top or bottom is glued or just stuck together without a intermedium in between;