Allergies are the result of a hypersensitive immune system. The allergic immune system misidentifies an otherwise innocuous substance as harmful, and then attacks the substance with a ferocity far greater than required.
Laying off an employee is different from firing an employee. Firing means letting a worker go for any reason, whereas a layoff refers to an employment termination based on economics, usually involving more than one worker.
Productivity is simply the amount of output you get per unit of input. It is a way to compare the cost of something to its benefit. So if you have an input of 5 and output of 5, your productivity is lower than something with an input of 5 and an output of 10.Productivity is kind of like the miles per gallon on your car.o your coworker is actually more productive in terms of the amount of output the boss gets for a given level of input. This is surprisingly important to understand. If a worker needs to be let go, it makes sense lay you off even though you make 33% more widgets per hour than your coworker.