Sign up for an Award
Participate with your entry in one of our professional or student awards.
Sign up for an awardLearn more:
Unsupported browser
You are using an outdated browser. Please upgrade your browser to improve your experience.
when you change the fluorescent light, you have to complain about changing fluorescent light. Because it is too difficult.first, it is located from the ceiling. second, when you change the fluorescent light, your room is dark. because you turn off the electric light.Anyone experience this inconvenient situation.a mart, huge bookstore or interior parking lot has many fluorescent lights. when you change the fluorescent lights, you will be exhausted. However, If you use the "Easy Change", you will change many fluorescent lights rapidly. Also, you will change fluorescent lights easily.
Kyunghee University
Yongin-si, South Korea
Kyunghee University
Yongin-si, South Korea