corrugated box

weight of 18 kg box of apples, " cardboard box" but weighs 3.25 kg , which she paid 20 yuan money wasted face : apple box was filled with cement on Sept. 14 at noon , in the South China Morning Post reporter Li Ms. compartments inside to see this used to hold Apple's " cement corrugated boxes ." From the outside, it can not tell the difference between an ordinary cardboard box . But a closer examination reveals that corrugated cardboard hard, tearing the box folds , you can see the inside filled with sand and cement. Reporter hook scales to " cement corrugated box " weighing, display weighs 3.25 kg . The reporter then come up with a