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There are five primary necessities that pertain to human survival. They are: Sustenance, clothing, shelter, transportation, and healthcare. Humans must have food and water, protection for the body from the elements, a domicile that is sheltered from the elements, means to move about and gather materials necessary for self preservation, and remedies for healing from illness and injury.

Humans living in communities or corporative living require two second tier necessities which are, means of communication, and means of exchange. One additional necessity of varying significance is defense. Education is a third tier requirement to pass knowledge and skills to the younger generations. These nine primaries, second tier, and third tier necessities are the basis of industries that support the evolution of civilization and technological development.

As necessity is the mother of invention, creativity and invention is an ongoing human activity related to improvements in the level of comfort and convenience for civilized habitation. Creativity abounds and not just in the world of humans but in all of the lower species as well. There is something natural in all life forms that cause them to seek more optimal means of survival and comfort. This spirit of creativity brings us to a tenth category of necessity, invention. In modern industrial societies we have specialized careers relating to these ten necessities. Most enter the fields best suited to their personal talents. [read more]

Generally, we are all aware of the general costs and risks incurred in having low quality tooling and that taking measures for monitoring and improving the quality of tooling is very necessary. Low quality tooling is unreliable and has a tendency to wear out a lot quicker than high quality tooling. Some may think that low quality tooling is less costly and lasts for a very short time while, high quality tooling is expensive and long lasting, but that's not necessarily the case. Low quality tooling is usually very expensive. It's higher maintenance and repair costs and tendency to perform with inferior results to that of high quality tooling can have an immense impact on the revenue earned. [read more]