Kev ntseeg siab ntawm kev ua haujlwm ntev nyob ntawm qhov zoo ntawm cov khoom thiab seb qhov kev xaiv ntawm cov khoom tsim nyog. Muaj peb yam tseem ceeb uas cuam tshuam rau nws cov khoom zoo:
A. Lub rationality ntawm tag nrho cov qauv ntawm tus ntes.
B. Voltammetric yam ntxwv thiab kev laus tiv thaiv ntawm zinc oxide valve.
C. Lub sealing kev ua tau zoo ntawm tus ntes.
