you should laminate your laptop to prevent dust to go inside it and press its keys normally donot apply much force on keyboard and mouse pad as these are more sensitive.
The basic things that comes about laptop maintenance is that one needs to keep it clean including the screen, keyboards, fan and the heat sink. Cleaning the heat sink will reduce the overheating problem. Always use Isopropyl alcohol to do so....
It’s an electronic device, not a book, not a package. Carrying it by the corner (handrest) with the LCD flipped open is just asking for a swift kick in the ass.
Laptop or Pc both need proper maintenance and cleaning. I have written my self experience articled on my laptop. hope that can be useful in reading.please check it. Also defragmentation and disk cleaning should be done occasionally.