Onye nnwale Rub bụ ọkachamara maka ibipụta ink resistance nke ihe ebipụtara, photosensitive oyi akwa resistance nke efere PS na ngwaahịa ndị yiri ya ule nguzogide iyi elu;
Nnyocha dị irè nke ihe ebipụtara nke na-anaghị eguzogide esemokwu, oyi akwa ink, ụdị PS nke na-anaghị eguzogide mbipụta na ngwaahịa ndị ọzọ nke na-adịghị mma mkpuchi.