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. Qalabka rullalulatada korontada, habka wadista rollers-ka guud ahaan ma isticmaalo hal hab oo wadis ah hadda, laakiin inta badan wuxuu qaataa darawal kooxeed, badiyaa isku-darka matoor iyo wax-dhimeeyaha, ka dibna wuxuu wadaa rollers si uu ugu wareego darawalka silsiladda 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 wareejinta rullaluistemadka ayaa leh awood gudbin oo weyn, xawaare degdeg ah iyo hawl fudud, 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 leexashada.