I-8mm screw Caps zenziwe nge-polypropylene ephezulu, i-Caps ineprofayili ye-crimp okanye i-snap yokuvalwa kokuhambelana ne-robotic autosamplers, i-septa ehlanganiswe kwangaphambili inciphisa ithuba lokungcola ngexesha lokulungiselela isampuli, ngelixa ligcina ixesha lokulungiselela isampula kwilebhu.