Engine Company Softwareが全人類に捧ぐ！iPhoneおすすめ神アプリ

This app utilizes a quick calculation method which converts all hose diameters to 2 1/2 inch for friction loss. FEATURES INCLUDE: - quick, easy to use PSI calculator for any stan…

Calculate footings, slabs - rectangle or round, post holes to columns, virtually any configuration, simply and easily to the nearest bag. But don't worry, if that project is too b…