The Oil and Gas Regulatory Authority (Ogra) has given a free hand to the Liquefied Petroleum Gas (LPG) dealers and plant operators to blatantly violate set rules and regulations, it is observed. LPG ...

ZURICH — A new method of correcting astigmatism, named the “cross-cylinder” technique by its developers, Paolo Vinciguerra, MD, and Daniel Epstein, MD, treats both principal meridians, correcting half ...