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| tree (A data structure containing zero or more nodes that are linked together in a hierarchy. If any nodes are present, one node is the root; each node except the root is the child of one and only one other node, and each node has zero or more nodes as children) | |||
| rotating shaft | |||
| spindle sleeve | |||
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arvore : 4 phrases in 2 subjects |
| Fish farming pisciculture | 1 |
| Transport | 3 |