Testout chap 2.4.7
Two following features you should look for when selecting a vacuum cleaner for your cleaning kit.
A Non-static generating, and a vacuum cleaner that blows as well as vacuums.
Device type that should typically not be plugged into a protected outlet on a UPS unit
A laser printer, because it takes up high amounts of voltage, and it can end up ruining your UPS.
Cleaning monitors and display deviecs
Clean the monitor while it is powered off with a lint-free cloth.
Tools used to physically clean the inside of a computer
Compressed air, and a natural bristle brush
Besides protecting computers from under-voltages, a typical UPS also performs,
Protects from over-voltages, and conditions the power signal.
A devices that can be used to protect against temporary, above-normal voltages.
Surge Protector
The rating used to specify the size of a UPS.
The size of a UPS is specified by a volt-amp (VA) rating. The larger the VA rating of the UPS, the longer the UPS can keep the system running in the event of a power failure.
How to keep a computer cool
Vacuum dust from the system regularly (dust buildup can limit airflow), And also verify that cooling fans are not circulating air in the wrong directions.