āĻŽূāϞ āϏ্āĻেāϞ āĻĒাāĻ āĻāĻŦং āĻাāϰ্āύিā§াāϰ āϏ্āĻেāϞ āĻĒাāĻ āύেāĻā§াāϰ āĻĒāĻĻ্āϧāϤি (method of main scale reading and vernier scale reading)
āĻŽূāϞ āϏ্āĻেāϞ āĻĒাāĻ āĻāĻŦং āĻাāϰ্āύিā§াāϰ āϏ্āĻেāϞ āĻĒাāĻ āύেāĻā§াāϰ āĻĒāĻĻ্āϧāϤি (method of main scale reading and vernier scale reading) āĻŽোāĻ āϏ্āĻেāϞ āĻĒাāĻ (total scale reading āĻŦা TS…