Larry Langford replaced costly insulators with PVC. Larry Langford is chief engineer and owner of WGTO(AM/FM) in Cassopolis, Mich. He writes that one of the mysteries of radio is why porcelain ...

To treat a cavity your dentist will remove the decayed portion of the tooth and then "fill" the area on the tooth where the decayed material was removed. Fillings are also used to repair cracked or ...

Zhang Yunqing, a reporter from Ha'erbin, Heilongjiang province, is also a professional craftsman who repairs broken porcelain, July 15, 2016. [Photo/Xinhua] Ju ci, or repairing broken porcelain, is a ...

Fatigue crack growth represents a critical challenge in structural engineering, where repetitive cyclic loading provokes the initiation and propagation of cracks. The field has evolved to include ...