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Glass Cullet: Scrap Glass Sorted, Cleaned and Broken
Cullet is scrap glass broken up to melt again. It saves energy, because the raw materials in it have already been melted once. Glass keeps its colour, so sort by colour; take out labels, caps, stones and ceramics, and keep out heat-resistant glass, which spoils the melt.
The picture: washed, sorted cullet, a coin for scale.
初学者
Two hours
说明
1
1
Sort
Sort
Spread the scrap glass on the table and sort it by colour. Set aside any heat-resistant (oven or laboratory) glass, ceramics and stones.
此步骤所需材料：
玻璃瓶（无色透明）10 个所需工具：
分拣台
皮革工作手套2
2
Clean
Clean
Soak off labels, take off caps and corks, and scrub the glass clean in water.
此步骤所需材料：
水20 升所需工具：
水桶
硬毛刷皮革工作手套3
3
Break up
Break up
Dry it, put one colour at a time in a sack and break it with the mallet into pieces a few centimetres across.
所需工具：
黄麻布袋
木槌皮革工作手套
安全眼镜4
4
Sift and store
Sift and store
Sift out the fine dust, and store each colour in its own bucket, labelled.
所需工具：
粗筛水桶皮革工作手套5
5
Energy saved
Energy saved
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