Never empty on the Playground, even the most simple swing-weights. Like the guys, strongly rebounding yogis, to fly up. But the landing is often less than pleasant: a little miscalculated the forces of the child, and should be hard hitting the edge of the Board on the ground. Well, tuck under his leg, can not do without tears. To avoid this, cut in half served the tire and zagubica in the ground, as shown in the figure.
Recommend to read
The Yak-30 (USSR)
Designing a training jet aircraft Yak-30 began in the Yakovlev design Bureau in 1957, In 1960 it was built two prototypes, which were tested from may 1960 to March 1961, there were...
LADDER OF TYRE
Usually the approaches to the water source, whether a spring or stream, uncomfortable, and in these places the required steps. Make the step from old car profile tyres from trucks,...
