Hom ntawv nplaum no muaj 80g ntawv ci ntsa iab, nplaum dej thiab 85g ntawv dawb silicon. Nws siv tau rau ntau yam lag luam. Nws siv tau dav hauv cov ntawv nplaum rau khoom noj, ntawv nplaum kho mob, ntawv nplaum khaub ncaws thiab lwm yam.