Kusamvetsetsa 1: Laser ili ndi ma radiation, kotero muyenera kuvala zovala zoteteza Anthu ambiri omwe amakonda kukongola ali ndi nkhawa kuti zodzoladzola za laser zitha kunyamula ma radiation, koma mukalowa ...
M'makampani okongola omwe akusintha nthawi zonse, kukhala patsogolo pa mpikisano ndikofunikira pama salons ndi zipatala. Tekinoloje imodzi yaukadaulo yomwe yatchuka kwambiri m'zaka zaposachedwa ...