
Ghana and Nigeria are very poor countries, and they have this characteristics:
GHANA:
- It has a population of 27 million
- Also $3,974 per capita
- And its Key Sectors are - industrial minerals, hydrocarbons and a rast arry of precious metals -.
NIGERIA:
- It has a population of 174.507.539
- Also $5,600 per capita
- And its Key Sectors are - petroleum -.
What's a "FreePort"?

Most commonly a free port is a special customs area or small customs territory with generally less strict customs regulations. Earlier in history, some free ports like Hong Kong enjoyed political autonomy. Many international airports have free ports, though they tend to be called customs areas, customs zones, or international zones.
Hong Kong
Hong Kong , is an autonomous region on the southern coast of China geographically enclosed by the Pearl River Delta and South China Sea.

"ifixit.org"
This ecological company dismantle computers, radios, mobiles, etc., to analyze and form a plan of they parts.
Then in this website they publish this plans of apliancies to help you to repair it and to impede that you contaminate changing it to another more new.