Q: Even if you believe the gun to be unloaded, you should still go through the unloading process to verify that no ammo is inside the shotgun as you measure the barrel. Point the gun in a safe direction and turn it over. Look for a lever that moves up and down at the receiver. This lever is known as an elevator. Flip the elevator up with your dominant hand while pushing back on the slide with your non-dominant hand. This should eject any round inside the magazine from the bottom of the receiver. Slide a dowel rod into the muzzle of the shotgun, pushing it into the barrel until it hits and stops at the breech face. Always use a dowel rod with a diameter that is smaller than the diameter of the gun barrel to prevent accidental damage to the gun barrel. Never force the dowel rod into the barrel. The point at which the cartridge and chamber meet is referred to as the breech face. The cartridge is not included in the barrel measurement, but the chamber will be. Use a pen to mark a line around the circumference of the dowel rod, just above the point where it comes out of the muzzle. Make the mark as close to the muzzle as possible for the most accurate measurement. You may need to keep the gun flat on your working surface as you do this. A pencil or marker could be used instead of a marker. Gently slide the dowel rod back out of the barrel. Set the dowel rod flat on your working surface. Carefully set the gun aside, as well. Make sure that the gun points away from you and from any other living being. Grab a measuring stick or tape measure and measure the distance between the mark you created and the end of the dowel rod previously inserted into the gun barrel. The distance between these two points is the length of your gun barrel.
A: Remove any ammo. Insert a dowel rod into the barrel. Make a mark. Slide the dowel rod out. Take a measurement.

Article: If your toaster's tray is not covered with foil, it might be a good idea to cover it with some aluminum foil now. This will make cleaning up easier. How many you break depends on how many s'mores you want to make. One graham cracker is enough to make one s'more. Set the other graham cracker half aside for later. Depending on the size of your toaster oven, you may be able to make two s'mores at one time--just remember to leave some space between each cracker. Set it flat-side-down so that it does not roll off. Slide the tray into the toaster oven and shut the door. Allow the s'more to bake until the marshmallow turns a golden-brown color. This will take about 4 minutes. Once the marshmallow is toasted, take the s'more out of the toaster oven. Top it off with 2 to 4 squares of plain chocolate. Press down on the cracker enough to seal everything together but not so much that the cracker breaks. After about 1 minute, the chocolate will have softened to a gooey consistency. The marshmallow will also have cooled down enough to eat.
Question: What is a summary of what this article is about?
Set your toaster oven to a medium "toast" setting. Break some graham crackers in half. Place one of the graham cracker halves on the toaster tray. Place a marshmallow on top of the graham cracker. Toast the s'more. Top the s'more with a piece of chocolate. Press the other graham cracker half down on top. Let the s'more rest for a moment before eating it. Finished.

Problem: Article: Add cup (118 ml) of witch hazel, 2 teaspoons (10 ml) of liquid castile soap, 1 cup (237 ml) of distilled water, and 1 teaspoon (5 ml) of nourishing oil, such as olive, jojoba, or almond, in a mason jar or other container. Put a lid on the container, and shake it well to thoroughly mix all of the ingredients. The witch hazel in the cleaner is antibacterial so it kills any germs on your brushes. The castile soap removes makeup residue and other dirt. The oil also helps break down makeup and helps condition the brushes too. Because the oil may separate from the other ingredients, always shake the cleaner before using it. When you're ready to clean your brushes, pour some of the cleaner into a small bowl or cup. Place the brushes in the cleaner, and let them soak for 5 to 10 minutes. If you prefer, you can put the cleaner in a spray bottle, spray some on the brushes, and then rub the bristles over a towel. After the brushes have soaked for several minutes, remove them from the cleaner. Run them under lukewarm water in the sink to rinse them, and carefully shape the wet bristles with your fingers. Set the brushes out on a counter or table to air dry. Be sure not to dry the brushes with the bristles up in the air. Water can drip back into the brushes' ferrule, which can cause bristles to fall out.
Summary: Combine all of the ingredients in a container. Dip the brushes into the cleaner and allow them to soak. Rinse the brushes and let them dry.

Q: Place a cloth underneath the bat so the bottom does not get damaged. Use a table clamp to secure the bat so you can strike it easily with a mallet. Slowly test how much power you need to use so you don't damage your bat. Swing the mallet with enough power to leave an indentation in the middle of the hitting area. If it's difficult to see an indentation on the bat, loosen the clamp and hold it up to a light to see if you've made a dent. Repeatedly hit the entire flat area of the bat since a ball may be hit anywhere on the surface. Use the same amount of power you used to make your initial indentation across the face of the bat. The entire process should take about 6 hours. As you increase power, continue making the surface of the bat even so it is flat. Split your time knocking the wood into 10 or 15 10-minute sessions so you don't get burnt out. Test the wood with your fingernail occasionally. At first, your fingernail should leave an impression in the wood's surface, but after you've knocked it in, it will be harder to press. Ask a friend to toss gentle pitches to you with an old cricket ball so you can hit them back with the bat. This helps you detect if any sections of the bat hit unevenly. If they do hit unevenly, go back and strike the areas with a mallet again. Using a new ball could damage the bat if it is hit improperly. Alternatively, put the ball in a sock and tie it to a rope. Put the rope over a tree branch to make a swing. Hit the ball as it swings back and forth.
A:
Clamp your bat down so the flat edge faces up. Hit the middle of the flat area so it dents. Strike the flat face of the bat until the surface is even. Repeat the process with harder hits until you've struck it 20,000 times. Practice hitting soft pitches with the bat.