Textual content dimensions A A A Shade C C C C কনটেন্টটি শেয়ার করতে ক্লিক করুন Survey assistants or chainmen are frequently unskilled employees who help the surveyor. They place concentrate on reflectors, locate aged reference marks, and mark details on the ground. A survey applying traverse and offset measurements https://determination45433.bloggerchest.com/30521035/indicators-on-land-survey-companies-bd-you-should-know