Did anyone read the last two paragraphs? Seems the article wasn't quite done being edited:
> Before entering the hot aisle, a technician uses a supply trigger, typically a switch located outside the hot aisle, to activate the SmartAire T units. Cool air then enters the hot aisle until a comfortable temperature is established. SmartAire T units maintain this temperature until the technician completes the assigned work and deactivates the units, eliminating any need for rest periods and increasing productivity.
> Before entering the hot aisle, a technician can use a supply trigger – typically a switch located outside the hot aisle – to activate the SmartAire T units. Cool air then enters the hot aisle until the temperature reaches a comfortable level.
> Before entering the hot aisle, a technician uses a supply trigger, typically a switch located outside the hot aisle, to activate the SmartAire T units. Cool air then enters the hot aisle until a comfortable temperature is established. SmartAire T units maintain this temperature until the technician completes the assigned work and deactivates the units, eliminating any need for rest periods and increasing productivity.
> Before entering the hot aisle, a technician can use a supply trigger – typically a switch located outside the hot aisle – to activate the SmartAire T units. Cool air then enters the hot aisle until the temperature reaches a comfortable level.