Only positives come from restoring a coating on a metal roof and then maintaining that coating by re-coating the roof as necessary. An elastomeric acrylic coating acts like a shield, protecting the metal roofing system from the elements, including ultraviolet (UV) radiation, and ice and hail storms.
one hand clapping. The sound of one hand clapping is the sound of one hand closing quickly. The sound of one hand clapping is supposed to be a question with no answer. It is a clasic Zen koan given to students to aid in enlightenment by leading the mind into a cul-de-sac with no way out but enlightenment.
Holding hands shows a sign or desire for connection (hint: your fingers are linked, the other person wants your hearts to be linked). It means they don't just like you physically, they are also emotionally connected to you. Holding hands is cute in my opinion.