Peb 0.8-1mm ntiv nplhaib tuag yog tsim los siv CNC rab phom drilling tshuab kom paub meej thiab sib xws. Sab hauv ntawm lub qhov yog du thiab tsis muaj qhov thaiv, uas tuaj yeem txhim kho kev ua haujlwm ntawm pellet ntau lawm. Peb tseem tuaj yeem tsim cov nplhaib tuag nrog ntau hom aperture tus nqi, haum rau cov kev xav tau tshwj xeeb ntawm cov tsiaj sib txawv, uas tuaj yeem pab ua kom cov pellet tso zis ntau ntxiv. Xaiv peb lub nplhaib zoo nkauj tuag yuav ua kom cov khoom zoo pellets thiab ua kom muaj kev ua haujlwm zoo tshaj plaws.