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.
Hilo International Airport is located on the east side of the Island of Hawaii. It is served by interisland airlines.The Big Island is home to active volcanoes, orchid farms, waterfalls and a rugged coast line.We look forward to welcoming you to Hilo.ilo International Airport is located on the east side of the Island of Hawaii. It is served by interisland airlines.