Airflow produced by portable air conditioners must be clean, creating a healthier living environment. Portable air conditioners are often placed in dusty areas of the home or office. Air filters are also designed to prevent damage to the machine.
By maintaining the internal components of the units and keeping the airflow clean, this makes the unit more efficient and therefore consumes less energy. More.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.