Pick the Right Drywall Type for Your Project. Homeowners can choose between fire- and moisture-resistant drywall, and select drywall thickness. When purchasing drywall for a home improvement project, homeowners can choose between drywall thickness and its ability to resist moisture and mildew.
The numbers you have indicated (4x32) are for a 4-power magnification (4x) riflescope with a 32mm objective (front) lens. You cannot make the scope stronger.2 means the diameter of the scope tube. Wider tubes gather more light, but this is mostly important for bigger magnifications. 4x32 is a common setup for a 22 rifle scope 3-9x40 is a common deer hunting scope.
Most tactical style scopes have an adjustment for parallax. A common misconception is that the parallax adjustment is a *focusing* knob. While it may indeed bring the image in and out of focus this IS NOT WHAT THIS IS USED FOR! It is to bring the plane of the image inside the scope into the same plane as the retical.