He ʻāpana koʻikoʻi nā pūnāwai Torsion o ka ʻōnaehana counterbalance puka kaʻa. Hāʻawi kēia ʻōnaehana i nā puka kaʻa e wehe a pani ʻole me ka hoʻohana ʻole i ka ikaika nui. Ke wehe lima ʻoe i ka puka kaʻa, ʻike paha ʻoe ua ʻoi aku ka māmā ma mua o ke kaupaona ʻana o ka puka kaʻa. ʻO ka puka kaʻa kaʻa kaulike kūpono hoʻi e noho ma kahi ma mua o ka hāʻule ʻana i ka lepo ke hoʻokuʻu ʻoe ma hope o ka hāpai ʻana i ka hapalua. Mahalo kēia i nā pūnāwai torsion puka kaʻa, aia ma ka ʻōnaehana counterbalance ma luna.