বাংলাদেশ জরিপ অধিদপ্তর মেনু নির্বাচন করুন The term 'chainman' derives from previous usage of measuring chains. An assistant would shift the far conclude on the chain under the surveyor's course. Discover the subsections underneath, If you want to bounce by way of particular sections in lieu of looking through https://heinrichj319gox7.corpfinwiki.com/user