-Supplier evaluation -Opening documentary credits (LC) -Construction supervision -Insurance -Inspection -Shipping and clearance | -Types of galvanized steel -Types of beams and hashes -Types of bars -Types of pipes -Types of profiles | -Preliminary study -Preliminary design -Detailed design -Workshop supervision -Education -Market study | -Construction operations -Installation of fixed and rotating equipment -Piping -Installation of electrical equipment and instrumentations -Painting, insulation and corrosion protection -Pre-installation -Setting up -Operation |