But if a man does not know how to use the system, regardless of whether it is generally made or man-made resources it may have an effect on the us and the world in which we live.
But if people do not know how to use resources, whether the resources occurring or manmade resources, it may have an impact on us and the world we inhabit.
But if a man doesn't know how to use resources such as natural resources, spontaneous or resources ณ์ที่ม humans created it can have an effect to us and the world we live in.