Brass profiles. Advantages: noble shade and shine, durability, resistance to wear and impact. Application: docking, flooring, exterior, stairs.

Advantages: flexibility, electrical conductivity, thermal conductivity. Application: manufacturing electrical wiring, electrical engineering.

Aluminum 

Aluminum profile. Advantages: corrosion resistance, plasticity, strength, lightness. Application: windows, doors, machinery, fuel and energy complex, construction.

Steel

Steel profile. Advantages: lightness (relative to other building materials), strength. Application: overlap between floors, erection of columns, heavy constructions.