Mabili a TPR a na le elasticity e ntle, ts'ebetso ea anti-skid le phello e ntle ea semumu. Hangata li sebelisoa bakeng sa merero ea malapa, ea khoebo le e meng, joalo ka likariki tsa kariki tse khutsitseng tse sebelisoang lipetlele. The single ball bear e amohela motsoako o tsoakiloeng...
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