Two types of cells found in the epidermis of the skin and their function

The melanocytes: these produce melanin, the pigment that provides the skin with its color and protects it from the sun's rays.

The keratinocytes: these form epidermal keratin.

Explanation:

The biggest problem in this plan is whether the villagers may be able to have enough money for the materials or the windmills of which they would want to install. This is an important thing that they need in order to get the installment started but when they don't have the money, this will most likely be the cause of the problem.