Abstract: Reheating furnaces are used to uniformly heat billets (blooms, billets, or slabs) to between 1000°C and 1300°C before hot rolling. Cascade control is widely used in temperature controllers ...

Preteens yearn for independence — and many parents want to loosen the reins — but that requires giving them some way to check in and say, “I made it to school,” or “I’m going to Frannie’s house this ...