✴This app is the best resource for your Surveying Study.✴【Topics Covered Based On Below Concepts】*Chain Surveying*Compass Surveying – Prismatic Compass:*To find QB from WCB*Levelling:*Methods of Levelling:*Control Networks*Locating Position*Plotting Detail*Error and uncertainty*Units Of Measurement*Errors In Measurement*Basic concept of errors*Vertical control*Bench mark (BM)*EQUIPMENT*Distance measurement*Distance Adjustment*Field surveying*Measuring Principles