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( Tool) One definition of a tool applicable to its common usage in mechanical engineering, is a device or a piece of equipment that typically provides a mechanical advantage in accomplishing a task or enables the accomplishment of a task not otherwise possible.

A broader definition of a tool is an entity used to interface between two or more domains that facilitates more effective action of one domain upon the other. The most basic tools are simple machines. For example, a crowbar simply functions as a lever. The further out from the pivot point, the more force is transmitted along the lever. A hammer typically interfaces between the operator's hand and the nail the operator wishes to strike.

A telephone is a communication tool that interfaces between two people engaged in conversation at one level. And between each user and the communication network at another. It is in the domain of media and communications technology that a counterintuitive aspect of our relationships with our tools first began to gain popular recognition. Marshall McLuhan famously said "We shape our tools. And then our tools shape us." McLuhan was referring to the fact that our social practices co-evolve with our use of new tools and the refinements we make to existing tools.

Tools that have evolved for use in particular domains can be given different assignations. For example, tools designed for domestic use are often called utensils.

Tool Subcategories Tool Articles Body Fat Calipers - Are They A Useful Measuring Tool? by Dean James Body fat calipers are tools used to measure body fat. They act as calculator that assesses the percentage of fat in a person's body. This tool is useful to people who are trying to regulate their weight and to professionals who are trying to help oth... Tips for Buying Dental Chairs and Stools by luna mohanty Ergonomics is the science that studies the relationship between people and their work environment. Dental professionals spend a considerable amount of their time sitting during the course of dental procedures. It is a well establ... Personal Trainers are a Valuable Weight Loss Tool by Jim Mackey Have you ever fantasized about having your dream body? If you pay attention to any type of mainstream media, you’ve seen the hard bodies of celebrities, super models and many others on the cover of magazines, in movies and on television. Many people ... Why the Low GI diet works for weight loss by Del-Metri Williams The Food and Agriculture Association of the United Nations states that industrialized countries base their diets on low glycemic foods in order to prevent the most common diseases of influence such as; coronary heart disease, diabetes and obesity. E... 7 Diet Tools That Can Change Your Life! by Gail M. Davis With just a few special “tools”, you can be prepared for you weight loss journey and dramatically increase your chances of being successful: A journal of some sort is incredibly useful when beginning any type of weight loss journey. Dependin... QUIT SMOKING AND LOSE WEIGHT by haesel smith Trying to quit smoking is hard enough, let alone the food cravings that result from it. People who try to quit smoking usually put on a lot of weight as their focus shifts from smoking to food. Would you like to try a pill to drop the pounds? What if... A food journal and weight loss tool for the busy! by Derrek Leute Recent studies have shown that simply tracking what you eat can help you live a healthier life. (go ahead, google it!) However, maintaining a journal can be monotonous and time consuming. Who can remember lunch and snacks at the end of a busy day? ... Hypnosis Tools: Do They Really Work? by Joel Riley When the term 'hypnosis tool' is referred, the picture of a rocking watch may be what comes to your mind, which is not what this term actually means. Instead, the term refers to the areas of application hypnosis is used. Hypnosis has been used fo... Hypnosis Tools: A Big Scam? by Joel Riley There are a variety of hypnosis tools which are used in the process of the induction of hypnosis, and although the rocking watch may be what comes to your mind, this is actually not what is meant by the term 'hypnosis tools'. Rather, this term r... "Tools to Optimize Your Health and Well Being" by John J Do you want to lose weight and feel better about yourself? The first step towards weight loss and a healthy lifestyle is to develop a plan of action. Start by evaluating your goals. Do you want to fit into your old jeans or keep up with your young...