Hoʻohana mau ʻia ka wēlau puʻupuʻu me kahi lehelehe hui pū, ma ke ʻano he lehelehe hope.Pau ka stubhana ʻia ma nā mānoanoa pā maʻamau a pau, a loaʻa i nā nui mai ka 1/2”i ka 48”.Ua wehewehe ʻia nā ʻāpana no nā ʻāpana stub a me nā ʻae dimensional e pili ana i ka maʻamau ASME B16.9.Hōʻike ʻia ʻo Stub Ends (pono) i ka MSS SP43.Loaʻa ʻia nā ʻaoʻao stub i ʻelua lōʻihi.MSS (Loaʻa Kūʻokoʻa) a me ANSI (Loihi lōʻihi).