# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The measure of diffusion or "leakage" of gas through a fabric. The permeability determines the rate of descent.
Sponsored Ads
Semroc Rocket Stand ... (Amazon)
Semroc Flying Model ... (Amazon)
Estes 1329 Multi-ROC ... (Amazon)
