อ.เติ้ล หมอดูเศรษฐี | เตรียมจด"เลขเด่นหวยเด่น" 1/มิ.ย./2562
The larger the wing surface of an aircraft the more static electricity, which is created as it moves through the air. Some of this is depended on the amount of friction the surface has as it moves through the air.
from: http://ezinearticles.com/?Static-Air-Wing-Collectors-For-Endurance-Flight&id=70307

