Automation of every kind has proved beneficial to humans and everyone would accept this straight fact but there are a few people who always believe that all these machines and automations have made the humans lazier that they have completely become dependent on these machines for their life style. Though this sounds like the original truth we rarely care about it. One can never be accused of doing a work more easily than it actually takes to completing it. Take the case of dish washing where one has to clean all those dishes which he/she made use of to cook and eat. It can be a simple process to all those who have always seen other wash things and never attempted to clean it at least once. In fact it is a big task to clean all the dishes which were made use at a single point of time and this is the reason why dish washers were invented. Dish washers are nothing but simple mechanical devices designed for cleaning utensils. (more...)