the mind and body, but if you want to be literal, the hands, if you use them correctly. If you say "tool" as in object, the blade. By blade I mean any blade, throwing knife, machete, samurai sword ect.
internet
By and large, open-market operations comprise the most powerful tool the Fed has to influence monetary policy.
the scientific method.
threat to strike
flow chart
Because it is a powerful tool.
Foreign Disease.
The board itself has no "power": it's simply a tool. It's the person using the tool that has the "power."
if it is not full version, then it is an axe i guess
the threat to strike
The technology is the powerful tool the difference beteween technology in countries makes them powerful or not.
Obviously