Learn RRC Slab Design play online

This app contains about how to learn to make iron frame for pole, scratch, not up, slab and others,
this aplication is made so that the users can be helpful in designing and calculating the necessary materials and design models to be compiled,
in learning to make iron frame design and as his,

application features
-app free
- easy to operate
-description of his detail drawings
-the images can be shared with friends

so this application is made to teach you to learn how to make PRC design Slab Design.
hopefully this application can be useful for you,
thank you