contour

āϏāĻŽোāύ্āύāϤিāϰেāĻ–াāϰ āύāĻ•āĻļা āĻĒ্āϰāϏ্āϤুāϤ (preparation of contour plan)

āϏāĻŽোāύ্āύāϤিāϰেāĻ–াāϰ āύāĻ•āĻļা āĻĒ্āϰāϏ্āϤুāϤ (preparation of contour plan) āϏংāϜ্āĻžা (definition): āĻŽাāύāϚিāϤ্āϰে āϏāĻŽুāĻĻ্āϰāĻĒৃāώ্āĻ ে āĻĨেāĻ•ে āϏāĻŽ-āĻ‰ā§ŸāϤা⧟ āĻ…āĻŦāϏ্āĻĨিāϤ āϏ্āĻĨাāύ-āĻ—ুāϞিāĻ•ে āϝে āϰেāĻ–াāϰ āϏাāĻš…