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.
Erector Spinae. Bent-over dumbbell rows are commonly performed using one arm at a time so your free arm can be placed on an exercise bench to provide support. This reduces the load placed on the back but does not alleviate it completely. The muscles responsible for keeping your spine correctly aligned are your erector spinae.