A tool is something that is used in order to gain a mechanical advantage and increase power transfer. Some simple examples are hammers, screwdrivers, and knives. An ergonomic tool will give a biomechanical advantage. Such a tool should reduce the amount of force required and improve the quality of work that is done. Man has been using tools right from the time he was a hunter and a gatherer of food to gain a mechanical …showed first 75 words of 1672 total…

…showed last 75 words of 1672 total…is something that needs our immediate attention. (I know that many might say to me here that it was the companies fault, but I will not agree and this is my honest opinion and is what I think because I know the amount of research we did to make sure that the test showed the correct result. Besides we learned in one of the lectures that punishment is not the right way to promote learning).