This is termed an in depth. If the first and previous bearings are different, this exhibits the mistake inside the survey, known as the angular misclose. The surveyor can use this data to establish which the operate fulfills the anticipated requirements. বাংলাদেশের উপজেলা সমূহের ডিজিটাল মানচিত্র (টপোগ্রাফিক) প্রণয়ন Geotech Builders https://minerc306mfy7.dreamyblogs.com/profile