Humans have improved the simple wrench by making box wrenches, off-set wrenches and ratchet wrenches. An indirect improvement was the invention of sockets, so the head of a bolt or nut could be totally gripped.
No, it's not a wrench. It is an adjustable proximity fuse used in artillery. Now superseded in modern armies by an improved version.
Because humans evolved to use tools.
they stopped hunting and saved grasslands
Umm...they kinda created all of it.
That they were humans. Improved answer: they had to become Mexican citizens. APEX ;D
No, a wrench is a wrench
Adjustable Wrench , open end wrench , box wrench, socket wrench, monkey wrench
what the hex a wrench? Hex wrench is short for hexagonal wrench, that is a wrench or spanner designed to fit a certain size nut or bolt.
Because humans are humans and every human that has ever lived has used at least hundreds of different technologies every day of their lives. The earliest humans used the technologies developed and used by their direct prehuman ancestors. Humans will always use technologies and develop improved technologies.
a wrench for what?
An impact wrench is a power tool that allows one to do the work of the regular wrench in less time. A normal wrench is one that one puts around a bolt, and turns the wrench.
Open end wrench, box wrench, gear wrench.