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 DRUM OF “WEIGHTLESSNESS”
Science fiction writers and scientists still scratching their heads on all sorts of devices and methods to overcome gravity — gravity. And in many industries, young innovators,...
“A SCHOOL DESK” ORDOVIKA
The production model better to start with the most labor-intensive details — wing. Here it is rectangular and consists of 14 ribs, two spars, the front and rear edges and two endings....
