A bit of arithmetic. Surrounded school furniture children spend until 8:00 daily, during 11 summer schooling and 5 year education in SCHOOL. The result is 16 years 365 days. In the day to eight hours a child has to look on whiteboard that b perceive information which expounds on blackboard Rapporteur or lecturer. AND addition 5840 days 8:00 obtain 46 720 hours even if deduct weekends and vacations anyway have solid number hours concentrated attention on a blackboard. Consequently, children need school board, which would be contributed to the current educational process, not hinder. History and harsh reality. Many faced with school boards, which were made artisan to 20-30 years.
These boards were the basis of (chipboard or MDF) covered with linoleum or hardboard base, then painted with paint intended to paint the floor. Chalk on a blackboard was sliding, because the surface was very smooth. Linoleum or hardboard took up the waves. And very strong board that the sun's rays shone through the window fell audience. Paint to erase or grease in the areas of maximum use. At the end of each year at a parent meeting to collect money for repainting the school board. Although it is understood that this problem is not corrected, children with back row will still be hard to parse the information contained on the blackboard, and they will again ask again the contents of the inscription on the blackboard at the speaker, and strain the eyes, so at least something unintelligible.
This all could have been remember with a smirk, if in our time in most schools have not been used, such school board. Health and Blackboard. Blackboard – this is primarily a child's health. Vision, and brain activity is largely depend on the correct choice of the school board. Two sigma gathered all the information. The school board must meet state standards 20064-86 (Boards cool). Also, school boards must meet state sanitary – epidemiological service area 'for room equipment of educational institutions. " Blackboard. What should I look for when choosing a school board? Now, in contrast to recent times a wide selection of school board. The first thing to pay attention to the surface of the school board. The surface should be dark green (European standard), matte, anti-glare, with the normal "friction." Very handy when all surfaces blackboard magnetic. In these boards with magnets can attach posters to the board. The second thing to be aware of this life. In modern magnetic blackboards life of 5 years and up to 25 (depending on manufacturer of the working surface). Pay attention to the profile boards for aesthetic reasons. There is a school board with an aluminum frame around the perimeter. And there is the school board with aluminum frame and plastic inserts for corners (looks nicer). The weight and thickness of the school board should not pay attention, because the quality of the board is not affected. For primary schools and classes to the profiling slopes razlinovka needed throughout the school boards, or any parts of a board. Razlinovka school board to be positioned so that when working in the vicinity of the school board, visible, and sitting at a desk, does not prevent perceive written in chalk. Razlinovka should not be wiped with time. Remember that investing in the educational process – an investment in future health and intellectual development of your baby!