Dalisheng nwere ahụmịhe bara ụba nke afọ 13 na imepụta na imepụta taịlị taịlị maka ụzọ kpuru ìsì. Anyị nwere ụdị dị njọ:
Mpekere igwe anaghị agba nchara
ABS/TPU polyurethane plastic tactile strip na studs
Iberibe tactile Brass
Carborundum tactile ibe