The Boiler Components manufactures Spiral Coils, which are fabricated out of carbon steel ERW and seamless and alloy steel tubes. These spiral coils are used in oil fired boilers or thermal fluid heaters. more...
Spiral binding (also called coil binding) seems to be used on the job to describe just about everything. In reality, spiral binding is binding done "by using a spiral of continuous wire or plastic looped through holes". Specifically, plastic spiral binding is a continuous, singlemore...