Textual content size A A A Shade C C C C কনটেন্টটি শেয়ার করতে ক্লিক করুন Survey assistants or chainmen are generally unskilled employees who assist the surveyor. They location target reflectors, uncover previous reference marks, and mark factors on the ground. Triangulation is really a approach to horizontal location https://shermanm318emv6.mysticwiki.com/user