Ipayipi Le-Vacuum Insulated (VI Piping), okuyi-Vacuum Jacketed Pipe (VJ Piping) isetshenziselwa ukudlulisa umoya-mpilo owuketshezi, i-nitrogen eyi-liquid, i-liquid argon, i-liquid hydrogen, i-helium ewuketshezi, i-LEG kanye ne-LNG, njengengxenye Ephelele yokuvala amapayipi okuvamile.