The app is a great metal-roll guide, which you can always carry around in your Android device. In addition to the assortment of pipes, channels, I-beams and other elements in the annex contains information on the mass of bolts, washers and nuts. All profiles are presented with detailed sectional characteristics that are used for engineering calculations (section area, moments of inertia and radii, etc.).
This guide can be useful for engineers, builders, students of technical specialties, and so on.
The base of application is constantly updating by new materials. The application interface is improving for user's convenience. Your proposals to improve by his interface and supplement the base of profiles can and need express in the comments.

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