221 cartons optical instruments tau npaj rau kev xa khoom mus rau Tebchaws Meskas, lub tsev khaws khoom tau lo tag nrho cov khoom xa tuaj raws li qhov kev txiav txim ntawm daim ntawv teev cov khoom zaum kawg. Thaum peb cov neeg tau txais cov khoom, lawv tuaj yeem txheeb xyuas cov khoom lag luam ceev thiab cov khoom hauv Tshuag hauv lub sijhawm luv luv.
Qee cov khoom siv muaj cov txheej txheem pob, xws liNws pib refractometer, auto chart projector, motorized table, digital lensometer thiab slit teeb thiab lwm yam, rau peb cov neeg ua haujlwm txawv teb chaws, lawv tuaj yeem txheeb xyuas cov tshuab los ntawm cov pob khoom.
