References: 

https://www.hse.gov.uk/toolbox/ppe.htm https://www.ciscopress.com/articles/article.asp?p=2086239&seqNum=7 https://www.tuvsud.com/en/services/testing/personal-protective-equipment-testing https://hardsoft-support.kayako.com/article/66-computer-cable-types-and-descriptions
https://www.globalspec.com/learnmore/electrical_electronic_components/wires_cables_accessories
/computer_cables https://www.stellarinfo.co.in/blog/how-to-fix-the-io-errors-for-the-external-hard-disk-drives/ https://www.addictivetips.com/windows-tips/disconnect-a-monitor-without-unplugging-it-onwindows/ https://epson.ru/es/upload/ManualTypes/102389/html/probl_6.htm#top https://support.microsoft.com/en-gb/help/4015401/windows-10-fix-printer-problems http://www.playtool.com/pages/dvitrouble/dvitrouble.html https://www.globalspec.com/learnmore/electrical_electronic_components/wires_cables_accessories
/computer_cables https://www.digitaltrends.com/computing/common-multi-monitor-problems-and-how-to-fix-them/ https://www.computerhope.com/issues/ch000241.htm https://support.hp.com/us-en/topic/printscandoctor-scanning-problems https://support.hp.com/lt-en/topic/diagnostics?category=printing&issue=scan-issues https://www.pcworld.com/article/185111/10_biggest_printer_problems_and_how_to_fix_them.html https://www.k12techrepairs.com/5-tips-to-fix-common-projector-issues/ https://www.computerhope.com/issues/ch000034.htm
https://support.microsoft.com/en-us/windows/fix-microphone-problems-5f230348-106d-bfa4-1db5-
336f35576011 https://www.wikihow.com/Fix-a-Non-Functioning-Driver ; https://www.computerhope.com/issues/ch000438.htm http://www.playtool.com/pages/dvitrouble/dvitrouble.html https://www.drivereasy.com/knowledge/how-to-fix-vga-no-signal-issues/
https://support.microsoft.com/en-au/help/817900/usb-port-may-stop-working-after-you-remove-orinsert-a-usb-device https://www.startech.com/en-us/faq/serial-loopback-test-rs232-windows https://www.tutorialspoint.com/computer_fundamentals/computer_input_devices.htm https://www.computerhope.com/issues/ch001355.htm