| coolant leak | 0.79 | The coolant leak was discovered Tuesday, and it took the crew two days to pinpoint it. | ||
| coolant loop | 0.53 | Antifreeze fumes continue to leak from coolant loops. | ||
| coolant pump | 0.53 | But a power outage halted the coolant pumps, and smoke drove the crew from the control room. | ||
| coolant system | 0.46 | A leak in a coolant system at a nuclear power plant prompted a low-level emergency Monday. | ||
| coolant water | 0.33 | They have added more boron to the coolant water to reduce the possibility of any reaction, he added. | ||
| coolant line | 0.26 | Ammonia leaked from a coolant line that Curbeam was trying to connect. |