Sizzling heat is not shown in the chart at left. The metal stiffens as it cools down and cannot be worked as easily when it cools to lower temperatures. A good rule of thumb for most shaping of mild steel and wrought iron is to work it when heated yellow, and put it back in the fire when it cools to red.
UIO redirects here. For other uses, see UIO (disambiguation). Mariscal Sucre International Airport (Spanish: Aeropuerto Internacional Mariscal Sucre) (IATA: UIO, ICAO: SEQM) is the busiest airport in Ecuador and one of the busiest airports in South America.
CEE is the IATA code for the airport, ULWC is the ICAO code. Airlines and flights can be found on en.wikipedia.org/wiki/Cherepovets_Airport. - Colorado Springs Airport (COS) 6km from Cimarron Hills. COS is the IATA code for the airport, KCOS is the ICAO code. Airlines and flights can be found on en.wikipedia.org/wiki/Colorado_Springs_Airport. - Denver International Airport (DEN) - Denver, CO. DEN is the IATA code for the airport, KDEN is the ICAO code. Airlines and flights can be found on en.wikipedia.org/wiki/Denver_International_Airport.