pH meters are electric appliances used for measuring the- alkalinity or acidity of a solution. pH is measured using potentiometric methods or pH indicators such as indicator solutions or strips ...

Parker-Hannifin Corporation manufactures and sells motion and control technologies and systems for various mobile, industrial, and aerospace markets worldwide. The company operates through two ...

Digital portal of the STAR Group of Publications: Delivers the latest news and views, multimedia, analyses and in-depth reports on the Philippines, sports, business, entertainment, lifestyle and ...