- 비말은 비오일성(기름입자가 아님)이므�? 오일 성분�?차단능력은 크게 중요하지 않다. Thus far On this lesson, you might have realized about the strange policies that apply to 가지�?and 갖다 when grammatical principles are hooked up to them. An additional word that follows the same rule is 머무르다