The facility also has two outdoor raceways and 18 indoor rearing troughs. Freshwater species such as trout, catfish and tilapia are commonly cultured in raceways. The eggs are then hatched in trays and the salmon smolts are produced in raceways. Most raceways are made of reinforced concrete, though some earthen raceways are also built. It has a smaller ejection port than similar bolt-action rifles, and no bolt lug raceways. Hansen had a better run at Pacific Raceways. This system employs artificial raceways to produce large quantities of shrimp. He was chairman of The Colonel's International, Inc., which manages two raceways. Continental Divide Raceways was a race track located in Castle Rock, Colorado. However, in most cases it is necessary to frequently clean raceways. Pacific Raceways is a mixed-use road racing and drag racing facility near Kent, Washington. The length to width ratio is important in raceways.