Employers may use a standard five-panel test of street drugs that includes: 1  marijuana (THC) 2  cocaine. 3  PCP. 4  opiates (e.g., codeine, morphine, heroin) 5  amphetamines (e.g., methamphetamine).
Guaranteed definition, a promise or assurance, especially one in writing, that something is of specified quality, content, benefit, etc., or that it will perform satisfactorily for a given length of time: a money-back guarantee. See more.
On the other hand, guarantee is mostly used in the contexts of consumer products in the shape of a manufacturer promising for the quality of the product and agreeing to change the product if it turns out faulty in a short period of time. The difference between the two words guaranty and guarantee, it seems is minimal. Both can be used interchangeably. â¢ The promise we give to fulfill a legal obligation by paying the debt of another if that person fails to do so. â¢ A promise someone gives to carry out some kind of an action.