He 50 mau puka-ʻo kēlā me kēia pahu hōʻike pahu he 50 mau puka me ke anawaena like, hiki ke hoʻokō i kāu mau pono a loaʻa i ka hana ʻoihana maikaʻi, hana maikaʻi loa, nani a kūpono hoʻi, hoʻohana lōʻihi, hoʻohana ʻia no nā ʻōmole headspace Pack samples in chemical experiments.