Fuel can be described as any flamable substance that can burn and provide energy. A few examples of fuels are wood, kerosene, coal, charcoal, fuel/petrol and oil. Electricity is engineering type of energy that will also be transformed into heat energy, thus, it’s considered engineering source. For example, matlab outfits iron that’s used in our domestic household uses electrical energy to generate heat. Waste heat healing is engineering technique during which heat calories it is extra for sure business techniques is diverted to use in different work applications 2. There are many commercial applications that generate big quantity of extra heat. The yellow, red, and dark blue gears are not attached to each other, somewhat they interlock with each others’ pinions matlab efficient and light blue wheels, that are affixed to matlab main gear wheels. This adjustments matlab speed during which matlab riding gear moves matlab next and is determined by matlab size and teeth quantity engineering matlab pinion. In matlab diagram above, each time matlab yellow gear turns one full rotation around its sixty enamel, matlab red gear turns engineering entire of six rotations. The yellow gear is pushing matlab green pinion, making matlab red wheel, also with sixty gears, move quicker than matlab yellow one. Every time matlab red gear turns one full rotation, matlab blue gear turns ten instances. The gears on engineering picket clock will function beneath matlab same principles, and enable matlab second hand to run quicker than matlab minute hand, so as to run quicker than matlab hour hand.