Light emitting diodes, known as LEDs, are electronic light sources and are far more efficient than traditional light bulbs which use burning filaments to produce light. Incandescent bulbs waste 90% of the electricity they burn by generating heat – not light. In fact, state-of-the-art LEDs offer up to 6 times the amount of light as a conventional incandescent bulb using the same amount of electricity… and the efficiency of these new lighting devices keeps on improving. Fluorescent bulbs are more efficient than incandescent as well, but they contain mercury, a toxic material that pollutes our landfills. Both incandescent and fluorescent bulbs are fragile – they break easily and compared to LEDs, and they have a short life. Many jurisdictions are banning incandescent bulbs in 2012, and many municipalities are running test programs using LEDs in such areas as underground, bus shelter and even in street lighting. LEDs are quickly replacing incandescent and fluorescent bulbs in many applications because they are bright, they don’t break, they don’t get hot, they are eco-friendly and they typically last for more than 50,000 hr.
LED lighting tools that are used by tradesmen such as automotive, aircraft and industrial mechanics and technicians. According to a flashlight company spokesman, “the benefits of using LEDs as a light source are numerous. First, the diodes run for 50,000 hours or more, so they never wear out. Second, because the LED is so tough, in fact almost unbreakable, you can drop the flashlight or the work light without damaging the light. The tradesmen using an LED light really appreciate the this feature. Third, the LED has become so efficient that a mechanic can use a battery powered LED light, for several hours before it needs to be recharged, or the batteries replaced. And as another benefit, since the light is battery powered, there is no need for a power cord, and dragging a power cord around a crowded work area has always been a headache for most tradesmen.”
The Job Description
Mechanical engineers basically design tools and machines for engineering and civil purposes and they often work as a team to develop new machines. engineering is a vast area with diverse scopes and applications including air pollution control engineer, automotive engineer or manufacturing engineer among others.
Mechanical engineers can choose their own fields of specialization including instrumentation or bio engineering to become subject matter experts in their respective fields and industries. Mechanical engineers should have a good aptitude in science and mathematics and should have an inquisitive mind to explore the machine parts. They should be physically fit as their job might require long hours of hard manual work involving work at odd hours.
Education and Training
Engineers should at least have a bachelor’s degree in engineering. Advanced degrees or business administration degrees are useful to land upon lucrative jobs. Most of the employers are keen on making sure that their employees keep abreast with the latest happenings in the engineering world and support education throughout the careers by sponsoring the education expenses.
There are many online courses too that could be helpful for mechanical engineers who wish to work full time. Just browse through the college directory of your area to find the various part time advanced courses which can be helpful for those who prefer to do a work- study program.
Mechanical engineers start their career as assistants to senior engineers where they gain hands-on experience in the various projects. Once they gain enough experience, they move on to become supervisors or managers depending on the employee’s caliber.
Mechanical engineers with advanced degrees can become research directors or they can even set up their own consultancy services or manufacturing companies to become entrepreneurs. The annual salary package of mechanical engineers in the year 2005 was $50,236 per year. Other benefits include paid holidays, insurance and retirement plans.