X
Comments to #16
All comments (2)
2
1.
Rita 2 year s ago
#15 Off a lawn mower, used to adjust wheel height.
0
2.
Harriet 2 year s ago
#18 I'm pretty sure is for testing the "Going" (Soft, Good, Firm) on grass Racecourses
"What is this opening on this airplane engine? It opened during landing. Never seen before. It closed itself after the landing."
A: "Thrust reversers for slowing down."