We built these turbines, these energy technology products. I'm not sure if you're familiar with the technicalities of the turbine. It's basically rotating equipment that is similar to an aircraft engine. These turbines have to undergo scheduled maintenance in order to continue operation. We differentiate between scheduled and unscheduled maintenance. Scheduled maintenance can occur, let's say, every 25,000 hours of operation. That means about three to four years if you consider that a pipeline compressor would operate 8,000 hours a year, let's say every hour of the day.
Again, the maintenance can occur only at our Siemens AGT Montreal facility.