Lub hauv paus ntsiab lus tseem ceeb ntawm cov kua siv lead ua kua yog los txhawb cov kua siv lead ua kua molecules nrog cov hluav taws xob tam sim no los tsim cov dots, kab, thiab qhov chaw, uas tau ua ke nrog lub teeb rov qab raj los tsim cov duab. Nws muaj plaub yam nram qab no:
(1) Nyias lub cev, qhov chaw txuag, piv rau cov khoom loj CRT, cov duab LCD tsuas xav tau ib feem peb ntawm qhov chaw qub;
(2) Kev txuag hluav taws xob, tsis tsim kom muaj qhov kub thiab txias, nws yog cov khoom siv hluav taws xob tsawg, thiab piv rau CRT cov lus qhia, nws tuaj yeem ua tiav tsis muaj cua sov;
(3) Tsis muaj hluav taws xob, muaj txiaj ntsig zoo rau lub cev noj qab haus huv, LCD zaub tsis muaj hluav taws xob tag nrho;
(4) Lub vijtsam yog mos thiab tsis ua mob rau lub qhov muag. Tsis zoo li CRT thev naus laus zis, LCD zaub tsis flicker, uas tuaj yeem txo qhov kev puas tsuaj rau lub qhov muag los ntawm cov zaub thiab tiv thaiv qhov muag qaug zog.