Sawubona mngane. Ngivela e-Australia futhi ngifuna iyunithi encane ye-laser chiller yesisiki sami se-laser seshidi le-perspex. Ngisanda kuthenga lesi sisiki se-laser seshidi le-perspex ezinyangeni ezingu-2 ezedlule, kodwa ukukhanya kwe-laser esikukhiqizayo ngezinye izikhathi kwakukuhle futhi ngezinye izikhathi kubi kakhulu.