A wrench is the fact that it is suitable for undoing any size nuts. And if not at hand? Then come to the rescue clamp: because the principle of action at them with a wrench like.
Recommend to read
RETRACTABLE LANDING GEAR RACING
About 190 km/h! This is a technical medium speed modern racing model with a powerful engine. Moreover, the maximum operating speed of the model exceeds 170 km/h, this is not the limit....
FLYING CRUISER K-7
K-7 is a Soviet multi-purpose aircraft pilot-giant design Bureau K. A. Kalinin. Was developed in the early 1930-ies, using original engineering solutions, new technologies and materials....
