Tlhaloso ea Sehlahisoa:
Mefuta ea lipalesa ea spirical e hlophisitsoe ka tsela e ikhethang ebe e amohela palo e kholo ea li-roller tsa asymmetrical. Bahalaleli ba na le ho hlaka ka mokhoa o nepahetseng le Washer Roads ho ntlafatsa kabo ea mojaro hammoho bolelele ba rolar. Ka hona, ba ka amohela lebelo le phahameng haholo, mojaro o matla o boima ka nqa e le 'ngoe le meroalo e boima. Moroallo o fetisoa lipakeng tsa tsela ea maikutlo ka lehlakoreng le leng ho ea ho axis. Mehala ea Spilacy ea Rollers e rata - e atisang ho amohela tšebeliso e mpe ea moqomo e mong le e mong oa matlo, e ka bakoang ke takatso ea Bolulo.
Karolo ea sehlahisoa:
1.HoIgh moroalo - bokhoni ba ho beoa
2. Lerata
3.NG Bophelo
4. Bots'epehi ba 4Hagh
Boloi Ho hanyetsa
Kopo:
Mechini ea liqhomane tsa marang-rang e sebelisoang haholo mochining oa ka, thepa ea ho fetohela poone, mochini oa konkreite, limela tsa pampiri, le li-steel le indasteri e meng.
Tlohela molaetsa oa hau