Item:Q12604: Difference between revisions
Created a new Item: lubricant, substance introduced to reduce friction between surfaces in mutual contact |
Created claim: has use (P29): lubrication (Q12603) |
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| Property / instance of | |||
| Property / instance of: class of chemical substances by use / rank | |||
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| Property / subclass of: mixture / rank | |||
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| Property / has use | |||
| Property / has use: lubrication / rank | |||
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