Under the condition of sodium chloride feeding ratio 7.5%, molecular sieve and refined product feeding ratio 1:1, the DOL product purity was up to 99.9% which had met the product quality requirements.
In 1920, just two months before women achieved the right to vote, Congress created the DOL women's Bureau.
1920年,短短两个月前的妇女取得投票权,美国国会创建的劳工部妇女局。
The DOL reports that women working full-time in the United States still make only about 78 cents on the dollar when compared to their male counterparts.