WY25 hoʻomākaukau kūpono: excavators maikaʻi loa, pono a hāʻina, hāʻina a hāʻina

Nā ʻekakai ua like ʻole ka hopena a pau a hiki ke koho i nā pōhaku hoʻokahi no laila, a me nā hopena ʻano like ʻole. He aha kēia i ka wahi wehiwehi, ʻāina kūpono poepoe, a me ka hōʻike ʻumiʻumi, ua manaʻo nui nō nā ʻekakai i kānaka maikaʻi no ka holohe ana i nā hopena.