خيارات التسجيل

By definition, a spatial construction system is an element or set of elements that work as a single piece in three directions simultaneously.

A spatial structure (three-dimensional or cross-beam or tensile structure) is made up of bars, plates or walls linked together in such a way as to be self-sufficient in resisting forces from all directions in space.

الانضمام الذاتي (طالب)
الانضمام الذاتي (طالب)