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| Biodegradable lubricant (1) |
| Biolubricant (2) |
| Jatropha curcas (1) |
| Jatropha seed oil (1) |
| Soybean oil (2) |
| Vegetable oil (2) |
| Biodegradable lubricant (1) |
| Biolubricant (2) |
| Jatropha curcas (1) |
| Jatropha seed oil (1) |
| Soybean oil (2) |
| Vegetable oil (2) |