موحدنژاد

Narrrow feint:refers to a particulartype of lined writing paper. E. g: I'd always use narrow feint writing paper. In persian:کاغذ های خط دار معمولی ...

When you right something longhand, you write by hand on paper rather than typing into a computer

Something that is watertight is perfectly designed and without any flaw.

Occur or develop gradually and almost imperceptibly