To affect : Further or fall from a height may cause small pieces inside the machine, such as a damage harddisk or the motherboard inside the machine, etc.
The damage : damage to or dropped from a height that may cause small damage inside the machine, such as a hard drive or motherboard inside the machine and so on.
Concussion : damage or falling from the height that can make equipment pieces inside the machine damage, such as Hard disk or the motherboard inside the machine.