- Có t?i thi?u 02 n?m kinh nghi?m trong l?nh v?c quan tr?c môi tr??ng lao ??ng ho?c 05 n?m kinh nghi?m trong l?nh v?c y h?c d? phòng;Made of blue wool with white, red, or buff facings, the frock coat turned the standard uniform for American officers by the top on the war. The coats normally showcased elaborate gold or silver lace, epaulettes, an