ʻO ka valve GW DIN honua he ʻano kūpono a me ka hoʻopaʻa ʻana i hilinaʻi ʻia, ʻoi aku ka kūpono no ka flammable, explosive, nā mea ʻawaʻawa a me nā mea ʻawaʻawa, kiʻekiʻe wela wela ka aila.