LT-ZP18 Igwe nleba anya mmiri

Nkọwa dị mkpirikpi:

Igwe a na-eji agụba na-adọwa ibe nnwale ahụ site na ụkpụrụ inertia nke pendulum swing, ma na-atụgharị mfu nke oriri ike ka ọ bụrụ ike dọkasịa wee gosi ya na ntụnye aka.