Recently, the first photovoltaic tunnel lighting system in Yantai Tongshi Road Tunnel, which is the first in China, was successfully put into operation and officially opened. The project saved 42 tons of standard coal per year, and the annual saving cost was nearly 200,000 yuan. Teaching and training meetings, classroom teaching; traditional projectors are not easy to carry. In school classrooms, due to the naughty students, projectors are not safe in the classroom and are easily damaged by students. The portability of micro projectors makes up for the teaching vacancies. In the future, teachers will give lectures. You only need to store the data in the projector to show it to students for teaching, saving the trouble of textbooks and handwriting with pens and chalks. portable projector for teaching,portable projector education,portable classroom projector,projector for teachers Shenzhen Happybate Trading Co.,LTD , https://www.szhappybateprojectors.com
On the top of the south exit of the Tongshi Road Tunnel, you can see that in a square of 3,000 square meters, a row of dark blue solar panels is spectacular. This is the solar photovoltaic power station of the Tongshi Road Tunnel. Lin Shile, head of the Housing and Construction Bureau of Yantai City, told reporters that the photovoltaic system of the Tongshi Road Tunnel is the first in China to apply solar energy in tunnel lighting. 