In one sentence, describe what the following article is about: Building a portable projector screen can be a fun way to allow you to watch movies in any location that has electricity.  The screen and frame will require you to purchase some easy to find materials from nearly any hardware store.  Take a look at the following materials and tools that you will need to get started:  Something to cut PVC pipe with. A glue for PVC pipes. Twenty feet of rope or cord. A drill to make holes in the PVC pipes. 6 10' long sections of 1” diameter PVC pipes. 8 1” diameter, 90 degree PVC elbows. 2 1” diameter, 45 degree PVC elbows. 1 straight connector 6 1” diameter T connectors Tape 1 6'x8' white tarp. The PVC pipes that you bought will need to be cut down to the right sizes before you can begin assembling them together.  It's important that you measure them carefully and make your cuts accurate.  Double check that your cuts are the right ones by taking a look at this list:  Cut two pipes to be 8' 6”.  Save the parts you cut away. Cut two pipes to be 6' 6”.  Save the pieces you cut off. Cut two pipes to be 6' 3”.  Don't throw the scrap away. After you have all of your pieces assembled and your pipes cut to the length you can begin assembling the screen.  Since PVC pipes are standardized, building the screen will require you to simply connect the pieces to one another.  Take a look at the following order of connections to build your frame:  Connect the two 8'6” pipes to the 6'6” pipes using your 90 degree connectors.  This builds the bottom rectangular base. Add three T-connecters to the 8'6” pipes.  They should be spaced two feet apart from each other and the corners. On the back of the base, place the 3'6” pieces of pipes into the T-connectors closest to the corners. Put ninety degree elbows on these 3'6” pipes and then add the 1'6” piece out of them.  Add a 45 degree elbow on the end of that pipe. From those 45 degree elbows, connect the 6'3” pieces and connect them down to the front T-connectors. Use a straight connector to join the two 3'9” pipes. Add a ninety degree elbow to each end. Take a small 3” piece of pipe and join this long pipe to the center T-connectors. After your screen is setup you can add your tarp to finish off your portable projector screen.  Adding the tarp will require you to drill some holes in the pipe, running your cord through them and attaching the screen to the frame.  Drill holes in the four corners of your frame. Put your cord through the holes. Thread the cord down the length of the frame, putting it through the eye-holes of the tarp as you go. Tie the cords off to secure the screen in place.
Summary: Gather your materials and tools. Cut the pipes. Build the frame. Attach the tarp.

Regular salt water soaks can promote healing and prevent infection. You may get salt water solution from your piercer or buy a sterile saline spray at your local drugstore. You can also put 1/8 teaspoon (1.34 g) of salt into 8 fluid ounces (240 mL) of water and mix them thoroughly.  Submerge the piercing directly in the mixture or apply the soak with a clean washcloth or paper towel by gently holding it to your piercing for a few minutes at a time. Apply the soak for 5 to 6 minutes. Do this twice a day for about a month or until your piercing is fully healed. Swimming after a piercing is a bad idea. Chlorine from pool water, and contaminants from open water, can irritate a piercing and cause infection. Refrain from swimming until your piercing is fully healed. You should also avoid soaking in bathtubs or hot tubs. Keep foreign objects away from the pierced area while you wait for it to heal. Do not, for example, wear a hat if you have an eyebrow piercing. You should always be aware of your hair if it's longer. Keep long hair from touching the piercing. You may have to pull your hair back more often as the piercing heals.  Avoid sleeping on the side of your body where the piercing is. Bacteria from your pillow can cause an infection. If you have something like a navel piercing, talk to your piercer on how to best protect it. You may have to wear gauze over the piercing or loose-fitting clothing.
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One-sentence summary -- Use salt water soaks. Avoid swimming. Make sure nothing touches in the pierced area.

Problem: Article: Press E to see what items you have, and to find the small crafting screen. This is a 2 x 2 grid labeled "Crafting," to the right of your character portrait. Each craftable item has its own recipe. When you drag the right items into the crafting area, the result of the recipe will appear in the box on the right. Minecraft doesn't tell you the recipes, so it's up to you to discover them. Example: Drag a block of wood into the crafting area, leaving the other three squares empty. The box on the right should show a picture of wooden planks, with the number four next to it. (To get wood, move your mouse over a tree trunk and hold down the left mouse button.) This will put it in your inventory, and destroy the ingredients in the crafting area. Example: Drag the wooden planks to your inventory. The wood you used to make them will disappear. The inventory crafting screen only allows you to craft certain items. To make most Minecraft items, you'll need a crafting table. Cover the 2 x 2 crafting grid with wooden planks to build one. Drag the crafting table from the box on the right to your hotbar. (Your hotbar is the line of items at the bottom of the screen.)  This recipe won't work if you just put one stack of four planks in the same square. Minecraft recipes care about what type of item is in each square, not how many items there are total. Right-click your stack of wooden planks to separate the items into multiple stacks. If you are on a Mac without a right-click button, use Control+click or use trackpad commands. Close your inventory by pressing E again. Select the crafting table in your hotbar. Move your mouse over a solid block, and right-click to put down the crafting table. Right-click the crafting table to open up a new screen. This looks similar to your inventory crafting screen, except it has a 3 x 3 grid. You can fit more items in this crafting area, which means you can make many more recipes. Minecraft is all about turning your items into better and better tools. Here's how to make a wooden pickaxe, one of the first tools many people make in a new game:  Drag wood into one square of the crafting area to make wooden planks. Place two planks in a vertical line in the crafting area to make sticks. Place three planks across the top row of the crafting area. Place a stick in the center square, and another stick just below it. This last recipe makes a wooden pickaxe. Equip it in your hotbar and select it, and you can break stone blocks. You can experiment to discover recipes yourself, or look up instructions online. Here are some useful basic recipes to get you started:   Make a sword to fight monsters.  Craft other tools to break down blocks faster or allow you to break more advanced blocks.  Get a stone axe and pickaxe as soon as you can, then mine iron ore so you can upgrade again.  Build a furnace out of cobblestone to cook food and to smelt iron ore into usable metal.  Make torches to light your house, preventing monsters from appearing inside.  Make armor out of leather or iron to protect yourself.  Craft a bed so you can sleep through night and set a new spawn point.
Summary:
Open your inventory. Drag items to the crafting area. Drag the finished item to your inventory. Build a crafting table. Place the crafting table. Open the crafting table. Craft a pickaxe. Find more recipes.