two questions about technical english

liangduoqian

1）one of the largest human-made monuments in the world if fresh kills landfill on staten island which receiveds 17,000 tons of refuse from new york city daily, six days a week.
按美国习惯，six day 指的是哪几天呢？难道是周一到周六，礼拜日不倒垃圾么 ？

2）after the mirror is completed, it travels by ship goes to Chile, where it is placed on the telescope atop the 8658-foot-high cerro paranal in the Atacama desert.
一向以严谨著称的英国人此时把主动语态和被动语态用得水乳交融，在简洁和严谨之间，他们选择了简洁。那么如何在两者之间选择，有何经验教训么？请过来人讨论下看法。