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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.
Mwanzo
Two hours
Maagizo
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.
Vifaa kwa hatua hii:
Chupa ya kioo (wazi)10 vipandeZana zinazohitajika:
Meza ya kupanga
Glavu za Kazi za Ngozi2
2
Clean
Clean
Soak off labels, take off caps and corks, and scrub the glass clean in water.
Vifaa kwa hatua hii:
Maji20 litaZana zinazohitajika:
Ndoo
Brashi ya kusuguaGlavu za Kazi za Ngozi3
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.
Zana zinazohitajika:
Gunia la juti
Nyundo ya mbaoGlavu za Kazi za Ngozi
Miwani ya usalama4
4
Sift and store
Sift and store
Sift out the fine dust, and store each colour in its own bucket, labelled.
Zana zinazohitajika:
UngoNdooGlavu za Kazi za Ngozi5
5
Energy saved
Energy saved
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