Qaadaha rullaluistuyada 90-degree-rogid inta badan wuxuu ka kooban yahay rullaluistuyaal, fiimyo, xidhmo, iyo qaybo wadista.Gaadhida rullaluistuyada 90-degree-rogiddu waxay ku tiirsan tahay is jiid-jiidka u dhexeeya rullaluistuyada wareegta iyo shayga si uu shayga hore ugu dhaqaajiyo.Marka loo eego qaabkeeda wadista, waxa loo qaybin karaa rullaluley aan tamar lahayn, qaade rullaluistutar koronto leh iyo rullaluley koronto.Foomamka khadku waa: toosan, qalloocan, jiirar, saddex-cabbir ah, telescopic iyo fargeeto badan.Gaadhida rullalullaalka korontadu, habka waditaanka rollers-ku guud ahaan ma isticmaalo hal hab oo wadida wakhtigan, balse inta badan waxa ay qaataan koox wadayaal ah, inta badan waxa ay isugu jiraan matoor iyo wax-dhiyeye, ka dibna waxa uu wadaa rollers-ka si uu ugu wareego silsilad. wade iyo suunka.

1. Sifooyinka 90-degree-rogista rullaluistuyada:
1.90-degree-rogid rullaluistemadka waa cufan qaab dhismeed, fududahay in la shaqeeyo oo ay fududahay in la dayactiro.
2. Way fududahay in la isku xidho lagana gudbo inta u dhaxaysa 90-degree weelasha rullaluistuyada.Xadhkaha rogaha badan iyo qalabka kale ee gudbinta ama diyaarado gaar ah ayaa loo isticmaali karaa si loo sameeyo nidaam gudbinta saadka oo adag.
3.90-degree-rogid rullaluistemadka ayaa leh awood gudbin ballaaran, xawaaraha degdeg ah iyo hawlgalka iftiinka, oo garan kara sifooyinka kala duwan ee collinear iyo gudbinta leexsan.
2. Baaxadda arjiga ee 90 darajo roga-laabashada:
90-degree-rogid rullaluistemadka waxaa si weyn loogu isticmaalaa in warshadaha sida ogaanshaha shayga, weecinta, baakadaha iyo hababka kale.Waxay ku habboon tahay in la gudbiyo dhammaan noocyada sanduuqyada, bacaha, palette-yada, iwm. Qalabka waaweyn, alaabta yaryar ama alaabta aan caadiga ahayn waxay u baahan yihiin in lagu qaado palette ama sanduuqyada wareegyada.