Nkọwa nkenke:

N'ọhịa nke teknụzụ na-egbuke egbuke, Yousheng na-emepụta diski abrasive ọhụrụ maka ịkpụchasị, gụnyere ájá ájá na velvet body, ha abụọ na-edozi ma jikọta ha. A na-ejikọta teepu Velcro na tray ahụ site na ajị anụ ahụ, nke dị mfe ịgbakọta na iji. E jiri ya tụnyere ngwaahịa polishing na-egbu maramara, njirimara bụ isi nke diski ájá bụ na ọ nwere ike ịmịkọrọ ntụ na ntụ na-emepụta na usoro nhazi n'oge, melite nhazi nhazi, ma belata uzuzu na ufe na-efe efe. E wezụga nke ahụ, ọ nwere ezigbo nchekwa gburugburu ebe obibi. Njirimara ndị a niile nwere ike melite gburugburu ọrụ.