req req
It is often abbreviated with "req", though the military sometimes uses "rqm" (according to www.abbreviations.com).
The word "speaker" can be abbreviated as "spkr."
The word "hertz" can be correctly abbreviated as "Hz."
It's already abbreviated. But if you mean "What is doesn't abbreviated for?" it means does not.
ORG is how organization is abbreviated.
It is abbreviated to the "web".
The word managed can be abbreviated in a couple different ways. These include "man" and "mgd". However, the word managed is not usually abbreviated.
Manager is abbreviated Mgr.
The word garden is generally not abbreviated because it is such a short word. However, it could be abbreviated as "gdn" or "grdn".
it is you've :)
The word narrow is not generally abbreviated because it is a very short word. However, it could be abbreviated as "nar".
In the phrase "Chartered Accountant", abbreviated CA, the word "chartered" is abbreviated to C.
The word "number" can be abbreviated as "no."