Tip #1
You need to have good posture.
Tip #2
Don't look at the keyboard while typing.
Tip #3
Learn where each finger goes on the keyboard.
Tip #4
Don't try and go too fast at first.
Tip #5
Keep your wrist off of the table or desk that you are sitting at.
Tip #6
Keep blows bent at 90 degree angle.
Resources
http://www.bsd46.org/domain/34
http://osxdaily.com/2009/11/06/mac-power-reboot-sleep-logout-keyboard-shortcuts/
https://alltopguide.com/top-best-computer-wrist-rests-keyboard-mouse-reviews/