He kuleana ko nā lima lima a me nā apo tungsten carbide i ka hoʻonoho ʻana a i ʻole ka pale ʻana i ke kumu axle e pale ai i ka ʻaʻahu ʻana. I ka manawa like, hiki ke hoʻohana ʻia ka paʻakikī paʻakikī o ka wili ʻana a me ke kumu me ka ʻole o ke kinai ʻana, a laila e hōʻemi i ka paʻakikī o ka hana ʻana o nā ʻāpana kūpono. Ke hana nei ʻo Tungsten carbide bushing a me nā lima lima i kahi ʻāina maikaʻi loa. Ma ke ʻano he mea hana carbide cemented ʻoihana, ua hoʻohiki mākou e hana i ka bushing kūpono loa no kā mākou mea kūʻai aku, me ka waiwai maka maikaʻi, ke kūpaʻa maikaʻi maikaʻi loa, ka mālama pono ʻana i ka maikaʻi, loaʻa iā mākou kahi inoa kiʻekiʻe i ka ʻoihana aila a me ka ʻenehana.