How to clean the desks and chairs of students?
In order to solve the above problems, a clean and beautiful environment on campus is also discussed. We have decided to clean the ball pen oil, carbon pen, ink, correction fluid, stickers for the purpose of conducting research experiments, and formulated the implementation plan. First, we find the information in order to understand the oil, carbon pen, ink pen, correction fluid, the composition in order to effectively remove the stickers are from October 15th to October 19th we went to the library and reading room, through the Internet to find relevant information. Through the search, we found that the main components of these stains are mostly made from some organic solvents, from the chemistry teacher also understand the principle of same-sex dissolution. We also searched for the treatment of these stains, but unfortunately we found most of them for the treatment of clothing stains. In order to confirm whether they were effective on the desks and chairs, we decided to carry out experimental research.
Keywords ballpoint pen, carbon pen, ink, correction fluid, sticker, cleaning. First, the discovery of stains, through investigation found widespread stains. During the course of our study, we inadvertently discovered that some new and neat tables and chairs had some stains which were not supposed to be -- stains. These stains are mainly ball point pen, carbon pen, ink, correction fluid, stickers. Little one more full desktop by our survey found that these stains not only exists in the classroom desks and chairs on even the doors and windows of the classroom and the glass curtain and experiment table, computer desk has. The students took the desks and chairs as the platform of communication, the message board and the object of conversation...... It can be said that these Nothing is too strange. everywhere. It has seriously affected the environment of our beautiful campus and destroyed the harmony of the campus.
These have seriously affected our beautiful campus environment, and destroyed the harmony of the campus. In order to make the campus clean and tidy, and let's have a good learning environment, we decided to clean up the stains. So we do experiments to find out how to remove stains. Although the experiment result is very ideal, but this activity also let us understand that these are just remedial measures, to more effectively remove and protect the campus environment, we must strengthen the students' awareness of public property.
