ʻO kā mākou paipu kila maʻemaʻe e like me ka nui o nā kūlana, e like me ASME B16.9, ISO, API, EN, DIN BS, JIS, a me GB, a me nā mea'ē aʻe. a hoʻohana nui ʻia i nā ʻoihana he nui, e like me ka ʻaila, ka hana mana, ke kinoea maoli, ka meaʻai, ka lāʻau lapaʻau, nā kemika, ka hana moku, ka hana pepa, a me ka metallurgy, a pēlā aku.