It is equipped with simple air-cooling system, which prevents the device from heating and the palm from sweating and this way facilitates the control and precise operation.
A kwadebere ya na usoro ikuku ikuku dị mfe, nke na-egbochi ngwaọrụ ikpo ọkụ na nkwụ site na ọsụsọ na nke a na-eme ka njikwa na ọrụ zuru oke.