Convenience outside the yard.
The essence of “convenience in the yard” is in its individual character, but the need for it is public. Part of this problem is solved...
Electric welding
Whoever in childhood, opening his mouth, watched a manual lightning flash at a construction site, and then tried to blink until the evening, he knows...
Wheelbarrows in a war
If someone comes to mind accusing me of moving away from military topics, then he will be right and … wrong. Indeed, what could be...