How long does a knot have to be tied to be considered a "קשר של קימא". (Knot of permanence).
(Temporary Ohel) Putting back at curtain that fell down in front of the window. Putting up a parochas (outer cover of where the Torah...
putting in and taking out a extra piece of the table; removing rust from a utensil; an adult playing with a child Lego, fixing...