meter bridge वाक्य

When the computer was done with a task, Pollack and Funes built the design according to the blueprint produced, building a crane that lifts one kilogram, a two-meter bridge, a table.
HI I AM v . supradeep studying in inter 2nd year . here, in wikipedia some topics in the chapters were included for example in current electricity the theory of meter bridge and kirchoffs laws were not included . so i kindly request you to take care of those . thankyou