Corrugated cardboard has two main components: the linerboard and the medium. Both are made of a special kind of heavy paper. Linerboard is the flat facing that adheres to the medium. The medium is the wavy fluted paper in between the liners. Single Wall is manufactured with the medium between two sheets of linerboard. Double Wall has three sheets of linerboard with two mediums in between.
A new Microsoft-commissioned survey shows European girls lose interest in STEM subjects around the age of 15. Microsoft admitted it doesn't have a comprehensive explanation for why 15-year-old girls lose interest in science and math.
Do the maths: GCSE study could start at age 13 when new exams are introduced Getty. A revolutionary shake-up of the secondary school timetable will mean pupils spend three years, instead of the current two, studying for GCSEs in crucial subjects such as maths and English.eachers will be able to choose between two papers for their pupils: higher maths, which offers pupils a pass at grades 4 to 9, and a less testing paper, which offers only grades 1 to 5.