Materials for printed boards and other interconnecting structures. Part 2-5. Reinforced base materials, clad and unclad. Brominated epoxide cellulose paper reinforced core/woven E-glass reinforced surfaces laminated sheets of defined flammability (vertical burning test), copper-clad
Occupational safety standards system. Personal protective equipment against falls from a height. Anchor devices. General technical requirements. Test methods
United power system and isolated power systems. Operative-dispatch management. Normal connection diagrams of electric power facilities. General requirements of graphical presentation