FOEN J168 Sliding door system imapereka yankho lathunthu la nyumbayi; Zingwe zitatu za mphira zimasindikizidwa, ndipo mzere wa rabara wapakati umapereka kusewera kwathunthu ku ntchito ya mfundo yotchinga mvula, kuti mankhwalawa akhale ndi mpweya wabwino ndi madzi olimba. amatha kuzindikira kutsegulidwa kwa magawo akulu, osavuta kukwaniritsa zosowa zamitundu yosiyanasiyana yomanga; Mapangidwe athyathyathya a mafani azithunzi zakunja amapangitsanso kuti nyumbayo iwonekere kukhala yosavuta komanso yokongola, yoyenera pama projekiti apakati komanso apamwamba.