Crossword puzzle clue "it takes two usually at least"

It takes two, usually, at least

Actress Anderson who said: "Natural beauty takes at least two hours in front of a mirror"

Least of the least?

It usually contains at least five continuous yards of fabric

Instruments that usually have at least 18 strings

Root that usually takes a while?

Movie genre that usually takes place in one room

Camera that usually takes 35mm film