ʻO GDSL-D series primary injection test set, ʻo ia ka mea kūpono no ka hoʻāʻo ʻana i nā mea kiʻekiʻe o kēia manawa i ka mana a me ka ʻoihana uila, i hoʻohana ʻia i nā mea kanu mana, nā kikowaena hoʻolaha, nā hana uila a me nā keʻena noiʻi, me nā hiʻohiʻona o ka liʻiliʻi, ke kaumaha māmā. , hoʻohana maʻalahi a mālama.