11. A regular strength galvanized steel core with Class C coating thickness would be designated GC2. 12. The steel core is designed to resist the full axial force developed in the bracing. 13. A buckling-restrained brace ( BRB ) consists of a steel core surrounded by a mortar. 14. Competition-grade bumper plates are more compact, with a layer of rubber surrounding a steel core . 15. IRM is often induced in drill cores by the magnetic field of the steel core barrel. 16. However, the aluminium shield had a high DC resistance and the steel core an even higher one. 17. Under vibration, the steel core and the aluminium layers vibrate with different frequencies and impact damping results. 18. The steel core can vary in design. 19. Non-compliant semi-armor-piercing and armor-piercing rounds have steel penetrators or steel cores that will be attracted by a magnet. 20. His stubbornness in assuming his own defense suggests that Yousef has a steel core beneath his polite demeanor.
