Which of the following materials if reused would be considered pre-consumer recy

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试卷: LEED GA模拟题A[查看]
Which of the following materials if reused would be considered pre-consumer recycled content?(choose 3)
A: Construction and demolition debris
B: Milk jugs
C: Walnut shells
D: Sawdust
E: Sunflower seed hulls

参考答案: CDE

本题解释:
Construction and demolition debris is a post-consumer material. For example wood and steel scraps that are left over from installation can be recycled and turned into something else; Any curbside pickup material is a post-consumer material. If you recycle soda cans at your house, or newspapers, cereal boxes, cardboard, milk jugs - those materials are sent to a recycling plant, sorted and resold to manufacturers that turn them into something else; Walnut shells are a type of pre-consumer recycled content. The walnut shells are taken from the walnut processing line at the food plant and shipped somewhere else to be turned into composite wood products such as cabinetry;Sawdust can be taken from a lumber mill and sent to another manufacturer where they turn it into medium density fiberboard (MDF);Sunflower seed hulls are a type of pre-consumer recycled content.