Hydraulic Control Lines ho itšetlehile ka bolelele ba kopo e tlas'a lisebelisoa tse tala.Li-welds tsa Orbital li fetohile tse sa hlokahaleng indastering ea rona hammoho le ho phethoa hangata ho feta chai e tloaelehileng ea leloala le hlahisoang ke coil.Tlhahiso ea rona ea li-tubing tse nang le seam-welded e sebelisa mechine ea ho tjheseletsa ea Tungsten Inert Gas (TIG).Ts'ebetso ena e fa opareitara lisebelisoa tsa ho etsa weld e pheta-phetoang, ea boleng bo holimo.Lisebelisoa tsa rona tsa morao-rao, hammoho le mechine ea ho hula ka serame li re lumella ho hlahisa mefuta ea OD Size ea 1/8 "- 1" le Botenya ba Lerako ba 0.028" -0.095".Li-alloys tse tloaelehileng bakeng sa lihlahisoa tsa li-tubing ke 316L, 2205, 2507, 825, 625, le Monel 400.