ʻElua cylinder prlinder plitting iʻelua mau hana; hoʻokahi ma ke kelepona a me ka mea e like me ka cylinder. ʻAʻohe mea hana hewa ma nā mīkiniʻelua o nā mines. ʻO kēia hoʻonohonohoʻana o nā mea pono eʻae i ka lole e hanaʻia iʻelua mau manawa iʻelua mau mea e like me ka lole jersey.