For large space, air terminal building adopts air supply tower, floor exhaust grillage and smoke exhausting skylight controlled by infrared detector.

A similar farce is playing out in the Philippine capital, Manila, where a planned new air terminal has been delayed by four years because of contract rows.

It is essential for these tests to be preceded by lightning current with standing tests, with the air of proving that the air terminal is not perishable and works after numerous lightning discharges.