Positive pressure attack (PPA) has been used by the fire service for more than 30 years, but many still have questions regarding its value on the fireground. While almost every apparatus has a fan on ...

ANY fee increase that the Philippine Ports Authority (PPA) intends to impose must go through a regulatory impact assessment (RIA) required under the Ease of Doing Business (EODB) Law, according to ...

Drug products containing phenylpropanolamine (PPA) are being officially withdrawn from the market in this country after an assessment of the drug's safety by Health Canada. PPA, widely used in ...