E hoʻohui ka papahana i nā hale hana akamai, ka hana akamai, a me ka logistics akamai e lilo i hale hana 4.0 i alakaʻi ʻia i ka ʻikepili. Aia nā huahana ma mua o 200 mau ʻano ʻekolu o ka moʻo, me ka uea kuʻihao paʻa, uea kuʻi ʻana i ka flux-cored a me ke koʻokoʻo kuʻi. Ma ke kumu o nā noi maʻamau, hoʻomohala ʻia nā huahana i nā mea hoʻoheheʻe kūikawā e like me ke kila ikaika kiʻekiʻe, ke kila wela, ke kila kila a me nā metala non-ferrous. Hoʻohana nui ʻia nā huahana i nā ʻoihana kiʻekiʻe e like me ka ʻoihana hana kila, ka ʻoihana hana moku, nā moku kaomi, nā paipu aila, ka lawe kaʻaahi, ka ʻenekini moana, ka mana nuklea, a me nā mea ʻē aʻe.