Even simple things like using recycled paper or switching off lights when you leave the room can help.
即使是非常简单的小事，如使用再生纸或离开房间时关灯，都会有用。
In this paper, the test results of mixture ratio of the concrete using recycled aggregates (crushed concrete rubbles or crushed bricks) are given.
本文分别进行了利用碎混凝土块、碎砖块作为粗骨料的再生混凝土配合比的试验研究。
Entries must be manufactured using at least 50% recyclable paper, ink and other materials, or manufactured from recycled products.
参赛作品所用之物料，如纸张、油墨及加工物料，须有50%或以上是可循环再用；或以环保循环制成品印制而成。
Entries must be manufactured using at least 50% recyclable paper, ink and other materials, or manufactured from recycled products.
参赛作品所用之物料，如纸张、油墨及加工物料，须有50%或以上是可循环再用；或以环保循环制成品印制而成。
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