Here is some ranting.
You haven't specified programming language. And every type of loop runs only when a condition is true (that is the definition of a loop).
And here is the answer.
Well, there is [code]for[/code], [code]while[/code] and in some languages even [code]do while[/code].
Hope this helps.
The PSU or most commonly known as the Power Supply.
Answer:
Latex replaced wax because it did the same thing and was used for the same things that wax would be used for
Explanation: