Hoʻouka pono i ka ʻōpala alanui, hoʻolōʻihi i ke ola lawelawe alanui, a hōʻemi i nā kumukūʻai mālama.
Loaʻa mai nā minelala kūlohelohe, hāʻawi ia i ke kūpaʻa wela kiʻekiʻe a me ka lōʻihi no nā alanui asphalt, e hoʻololi piha ana i ka asbestos a me ka hōʻoia ʻana i ka palekana a me ke aloha kaiapuni ...
Nā waiwai mea maikaʻi loa o ka fiber mineral basalt Hebang i ka ʻenekinia alanui: nā waiwai mechanical maikaʻi loa, ka laulā o ka mahana hana, ka maʻalahi o ka pulu ʻana o ka ʻili, ka pono kemika paʻa...