Ka pā kihi ASTM, ʻike ʻia hoʻi ʻokila kihi, ʻo ia kekahi o nā huahana kila kaulana loa ma nā ʻoihana honua a me nā mākeke ʻoihana.Nā kaola kihiʻO ke kūlike me nā kūlana ASTM e hāʻawi ana i ka ikaika kupaianaha, ke kūpaʻa, a me ka maʻalahi, ka mea e kūpono ai lākou no ka nui o ke kākoʻo ukana a me nā hoʻohana ʻana i ka bearing.
Ka manawa hoʻouna: Pepeluali-04-2026