- conserve
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Conserve is a way of using materials carefully. It is used to avoid using materials in a wasteful way.
- cullet
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A cullet is a tiny, grain-sized particles of glass. It is used for turning glass into new glass.
- recycle
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To recycle is a way of changing materials so they can be used again. It is used for conserving land from becoming landfill space.
- shards
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A shard is a broken pieces of glass. It is used for changing glass so it can be used again as new glass.