The soles of the feet when digging the ground, will not be so uncomfortable if the shoulders of the shovel to pull the trim rubber or plastic garden hose.
During operation, the hose is not slipping, the nozzle should be made from a single piece, having in the middle a cutout for the shaft.
Recommend to read
THE LAST BIPLANE OF THE CURTISS COMPANY
In the history of American carrier-based aircraft has a prominent place scout bomber company Curtiss SBC HELLDIVER, which was the last carrier-based aircraft-a biplane at the naval...
THE PLANE OF THE TRANSITION PERIOD
The period between the two world wars represents a considerable interest to historians of technology, and first equipment of aviation. The aircraft of this time, the construction of...
