1. Silindri girisi bɛ dilan ni safunɛ ye min ka bon, a ka bon kosɛbɛ ani a ka ca ni PTFE ye, a bɛ kɛ ni tulumugu ye, oksidan bɛ se ka a yɛrɛ tanga, a bɛ se ka a yɛrɛ tanga ani a bɛ kɛ ni silikoni finman ye min bɛ kɛ ni fluorine finman ye. Nin girisi min bɛ kɛ ni sɔgɔli jan ye, o dabɔra ka tulumafɛnw/plastiki/plastiki, nɛgɛ/plastiki ani nɛgɛ/nɔgɔ yɔrɔw datugu minnu bɛ sɔgɔli dɔgɔya waatijan kɔnɔ sɛgɛsɛgɛli la funteni dɔgɔman walima funteni caman na.
2. Walasa ka plastiki/plastiki, plastiki/nɛgɛ, nɛgɛ/jiri yɔrɔw ani sɛgɛnlafiɲɛbɔlanw funteni dɔgɔya walima ka u kɛ funteni na, minnu bɛ bɛn pneumatique valves ma, silinda piston valve farikolo ani sigilan tulu ni sigilan A bɛnnen don ɲɛnamaya jan tuluma ma lastikuw ni nɛgɛ yɔrɔw cɛ mobili bolifɛnw bolicogo la, transmission shift, motɛrɛ idle, shock absorber seal ring, pneumatic minɛnw ani frein pneumatique.
