howardyin
Well-Known Member
- Joined
- May 23, 2020
- Messages
- 101
Hi,guys!
here I found
http://robinultralight.blogspot.com/2010/09/vertical-fin-construction.html
why ammonia, not just water?
Ammonia is a colorless highly irritating gas with a sharp suffocating odor.
here I found
http://robinultralight.blogspot.com/2010/09/vertical-fin-construction.html
why ammonia, not just water?
Ammonia is a colorless highly irritating gas with a sharp suffocating odor.
Last edited: