The common letter-sized paper used in Europe and in most locations outside of North America. At 8.3 x 11.7" (210x297mm), A4 paper is slightly narrower and a little longer than "A" size 8.5 x 11 ...

State pensioners have been warned they need to use a peice of A4 paper before they turn the heating on as we head towards December and Christmas. A Reddit user has shared their trick for cutting ...

residents are being advised to perform a simple check with a piece of A4 paper before cranking up the heat, which could lead to significant savings on energy costs. One astute homeowner has shared ...