Cov Neeg Yuav Khoom Thoob Ntiaj Teb

Muaj ntau tshaj 500,000 tus neeg tuaj xyuas uas yog cov kws tshaj lij, cov neeg faib khoom zoo, cov koom haum tsim qauv thiab cov neeg tsim qauv, cov lag luam vaj tse, cov neeg muag khoom siv hauv tsev, cov khw muag khoom siv hauv tsev, cov neeg yuav khoom siv engineering, cov neeg lag luam xa khoom tuaj thiab xa tawm, cov koom haum muag khoom siv hauv tsev thiab lwm qhov chaw ntawm cov neeg tuaj xyuas uas yog cov kws tshaj lij koom nrog txhua xyoo.