口

Japanese to English Tech/Engineering Petroleum Eng/Sci

This is used in a survey report within a company, in many ways. I wonder if it is covering a certain character or it simply means "mouth" I don't know. I appreciate your help to understand this, thanks.

出口報告書
出口口間
口業所
同口者名
海外出口（国に関係なく）は今口で　「　」木目
今口の国「　」へは今的が「　」口目です
（　）口目