Our reflective foil insulation stops 97% of radiant heat penetration and loss. Plus, you get a ventilated attic because our soffit and ridge cap are vented, giving you continuous air flow through your attic. You can put as much conventional insulation in your attic as you like.
There are spiral galaxies with numerous, ragged spiral arms in their disks (called ``flocculent'' spirals), so perhaps the self-propagating star formation mechanism is responsible for the flocculent spirals. A ``grand-design''spiral seen face-on. A flocculent spiral with ragged spiral arms.
However, there are three muscles of the upper arm which may here be named: the triceps, the brachialis anticus, and the biceps. Memories of a Musical Life William Mason. The action of its antagonist, the triceps, may be studied in the same manner. A Practical Physiology Albert F. Blaisdell.