Nyob rau hauv cov txheej txheem kub nias ntawm tus brake ncoo pwm, txhawm rau txuag lossis txo lub sijhawm pub mis, lub thawv pub mis tuaj yeem siv los pub pwm.
(1) Muab cov khoom hnyav hnyav rau hauv lub thawv pub khoom noj
(2) Koj tsuas yog yuav tsum tau rub lub baffle thaum pub mis, thiab koj tuaj yeem ntxiv cov ntaub ntawv raw rau txhua qhov kab noj hniav ib zaug
(3) Txhim kho kev tsim khoom
(4) Ob lub disc nres pad pwm thiab nres hauv ob sab phlu tuaj yeem siv lub thawv pub khoom noj
(5) Peb muaj ntau hom pwm:
Nres khau pwm nyob hauv tsev, Nres Pwm, nres Pwm Hoobkas Tuam Tshoj, cov khoom sib txhuam pwm 911, dov Tshuag nres pad pwm tsis xws luag, nres pwm ua, nres xovxwm cov menyuam tuag, dov Tshuag nres ncoo pwm nyob, nres khau pwm benelli m4, dov Tshuag brake ncoo pwm qhov chaw, dov Tshuag nres ncoo pwm xyoo, nres pwm