FS-949 wiper tsamba ndi 15 adaputala, zosavuta kukhazikitsa pa U woboola pakati mbedza mkono, batani mkono, wowonda batani mkono, mbali pini mkono, pamwamba loko mkono, Toyota latsopano, etc. Ichinso ndi chimodzi mwa zifukwa zomwe Yuen wiper masamba ndi otchuka ndi akatswiri ogulitsa ma wiper blade, chifukwa ma wiper amagwiritsidwa ntchito kwambiri mumitundu yambiri, zomwe zimawathandiza kupeza malonda abwino.Pabizinesi iyi, ngati mugulitsa chidebe chimodzi chaka chino ndi chinanso chaka chamawa popanda kukula kulikonse, iyi ndi bizinesi yosapambana.