Phase Inspection. 1  Framing: proper technique, boring & notching, wood grade, defective or missing members. 2  Window and door installation and water proofing. 3  Exterior sheathing and vapor barrier is correctly installed. â 4 Plumbing and Electrical inside the walls with correct nail stop shield placement.
Hydrogen is the lightest of the elements and is the most abundant element in the universe. (Also reference http://www.ducksters.com/science/chemistry/hydrogen.php) earth's atmosphere
The most abundant elements in the Earth's crust are Silicon (Si), Oxygen (O), Aluminum (Al) and Manganese (Mn) The most abundant elements in the Earth's crust are Silicon (Si), Oxygen (O), Aluminum (Al) and Manganese (Mn)