| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| association of ammonia refrigeration | 1.32 | 0.9 | 2456 | 41 | 36 |
| association | 1.69 | 1 | 1122 | 47 | 11 |
| of | 0.76 | 0.3 | 4937 | 73 | 2 |
| ammonia | 0.75 | 0.3 | 5802 | 58 | 7 |
| refrigeration | 1.17 | 1 | 2397 | 30 | 13 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| association of ammonia refrigeration | 0.96 | 1 | 6141 | 24 |
