TEYU CHIKWANGWANI laser chiller CWFL-2000 ndi apamwamba ntchito firiji chipangizo. Koma nthawi zina pakugwira ntchito kwake, zitha kuyambitsa alamu yotentha kwambiri yamadzi. Lero, tikukupatsirani chitsogozo chozindikira kulephera kukuthandizani kuti mufike ku gwero la vuto ndikuthana nalo mwachangu.