Mphamvu zobisala kwambiri, zonyezimira kwambiri, zosasunthika ndi mankhwala, kukana ma abrasion, kumamatira kwabwino, ndi gawo lapansi-zabwino. Imakhala ndi mitundu yowoneka bwino komanso yosasunthika bwino nyengo, kupangitsa kuti ikhale yosungunulira{{2}inki yotengera inki yoyenera{3}kusindikiza bwino. Imawonetsa kusungirako bwino kwambiri pakusindikiza mizere yabwino kapena mafonti. Imaperekanso ntchito yabwino yosindikizira pad ndi roller, zomwe zimapangitsa kuti inki ikhale yosalala.
