This is caused because the wool is an excellent insulator, and the dry winter air does not conduct electricity like humid air does. It may seem over-doing it, but consider a humidifier to reduce the dry air from building up in the lab environment It is very dangerous here in Texas since it is very humid.
So there you go before u unpack any electronic make sure u have a wristband or something to take away the EDS, if not you will be end up taking the thing back because it wont work. Always use a wristband when working in the class, we don't want any computer damaged in school.
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