premise: the <mask> of building or engraving; the <mask> of war; the <mask> of navigation.
hypothesis: the best context for <mask> here is Skill, dexterity, or the power of performing certain actions, acquired by experience, study, or observation; knack; but not A system of rules serving to facilitate the performance of certain actions; a system of principles and rules for attaining a desired end; method of doing well some special work.