·I-cantileveredisisitheloyenzelwe ukusetyenziswa kwezicelo zokukhusela ilanga ngaphandle
kwiifestile nakwiindonga zeglasi.
·Ineendlela zokuthambekela ezihlengahlengiswayo, iphucula ukwaliwa kobushushu belanga ngelixa
ukugcina umoya ohamba phakathi kweendawo zangaphakathi nezangaphandle.
·Ingalo ingavulwa ize ivalwe ngo-5°~175°.
·Ifumaneka ngobukhulu obahlukeneyo kunye nemibala eyahlukeneyo.











