An Ordnance Survey cut mark in the UK. The term bench mark, or benchmark, originates from the chiseled horizontal marks that surveyors made in stone structures, into which an angle-iron could be placed to form a bench for a leveling rod, thus ensuring that a leveling rod could be accurately repositioned in the same place in the future.
9 Causes of Leaky Windows. One of the main reasons to ensure your windows are watertight is to keep moisture out of the walls. Once inside your walls, moisture can cause rot, mold and pest problems. Keeping water at bay would be easier, of course, if our homes had no openings for doors and windows.
The one simple fact to remember is what I said before, if your windows are fogging up you have a water leak, period. The AC functioning properly can help because it dries the air, but you need to stop the water coming in, it will only get worse anyway.he one simple fact to remember is what I said before, if your windows are fogging up you have a water leak, period. The AC functioning properly can help because it dries the air, but you need to stop the water coming in, it will only get worse anyway.