Aosite, kuyambira 1993
M'kati mwa slide njanji, yomwe siingakhoze kuwonedwa ndi maso, ndi mawonekedwe ake onyamula, omwe amagwirizana mwachindunji ndi mphamvu yake yonyamula. Pali ma slide azitsulo azitsulo komanso masitayilo a silicon pamsika. Yoyamba imangochotsa fumbi ndi dothi pa njanji yotsetsereka kudzera mukugudubuzika kwa mipira yachitsulo, potero kuonetsetsa kuti njanjiyo ndi yoyera komanso kuti ntchito yotsetsereka isakhudzidwe ndi dothi lolowa mkati. Panthawi imodzimodziyo, mipira yachitsulo imatha kufalitsa mphamvu kumbali zonse, kuonetsetsa kuti chojambulacho chili chokhazikika komanso chokhazikika. Zinyalala zopangidwa ndi silicon wheel slide njanji pakagwiritsidwa ntchito kwanthawi yayitali komanso kukangana ndi chipale chofewa, komanso zimatha kubweretsedwa ndikugudubuzika, zomwe sizingakhudze ufulu wotsetsereka wa kabati.