Nkababyeyi, twishimira buri mwanya wo gukura kwumwana no gukura. Hamwe nigihembwe gishya kiri imbere, ni ngombwa kwitondera ubuzima bwumwana wawe.
Gusubira ku ishuri bisobanura amasaha menshi yo kwiga imbere ya mudasobwa, tablet, cyangwa ecran ya digitale. Nkuko tubizi, urumuri rwubururu rwa HEV rwibikoresho bya LED biganisha ku munaniro no kutamererwa neza, bitameze neza mumaso, cyane cyane kubanyeshuri bakiri bato.
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