What is bench mark and different types of benchmarks . It is a fixed reference point of known elevation the reduced level of … Read more.
What is bench mark and different types of benchmarks . It is a fixed reference point of known elevation the reduced level of … Read more.
Surveying : the survey is most important thing in department of civil.The surveying is used for taking earth levels and form th… Read more.
Theodolite Theodolite is important device in survey department.The horizontal and vertical angles can be take by theodolite.The… Read more.