Tap the app either on your Homescreen or in the App Drawer. " A Superuser notification should pop out, and tap "Grant."
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One-sentence summary -- Open the app. Tap "Grant.

Since this greenhouse is modular and the size is completely up to you, the number and lengths of the necessary pipes will vary to a certain degree. You will need to measure the dimensions that you want and determine the amount of pipe that you need from that. Try to break up the larger structure into 2' sections. This will give your greenhouse greater stability and strength. Use relatively thin PVC pipe, no more than 1.5" wide. A good size to use would be closer to ". Also, be sure that your joints and PVC pipe are sized so that they will fit together. This should be labeled, but you can test in the hardware store to be sure or you can ask a hardware store employee for help and advice. You will form the base and the walls together, out of connected sections of pipe. Begin by connecting vertical pipe sections at two foot intervals to horizontal pipe sections with T pipe joints. Form corners in the horizontal bottom section by attaching a T joint to an elbow joint with a very small section of pipe. When you are done, you should have a horizontal rectangle or square base with posts coming up from the T joints at regular intervals. The corner posts should come from the the last T joint on the long sides, with the elbow joints and short side of the base protruding out from the "wall". Next, you will need to connect the wall pipes to the roof pipes and form a roof. It is important that the roof not be flat across, as this will diminish the amount of light which can get through, as well as cause rain and snow to build up on top of your structure. Form the central roof structure by creating a line of PVC pipe identical to one long side of the base. The pieces should be connected with four-way joints at the same intervals as your wall posts, except for the ends which will be capped in T joints. From the T joints and four-way joints, place short sections of pipe and cap them in 45 joints. Next, place 45 joints at the top of each of your wall posts. After that you will need to measure how much pipe you need to join the 45 joints of the wall to the 45 joints of the central roof structure. Cut this pipe once measured and fit it between each of the 45 joints. Place the greenhouse on the raised or ground bed that you want to cover. You can attach it to the ground with stakes and ties or to a raised bed with a conduit anchor but be sure to only attach one long side. This will allow you to lift the structure to water and care for your plants. The final step will be to cover the structure with plastic or cloth, depending on why you need the cover to begin with. If using sheet plastic, use thin clear plastic and cover the whole structure with one large sheet if possible. Whatever material you use, wrap the structure and then secure with tape (duct or packaging). You're done!
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One-sentence summary -- Get PVC pipe and joints. Connect wall pipes. Connect roof pipes. Place on the bed. Cover.

In your browser, go to a video that you want to download from one of these sites. Click the address bar at the top of your browser to highlight the address. Press Ctrl+C (Windows) or Command+C (Mac) to do so. Go to http://convert2mp3.net/en/ in your browser. While this website is based around creating audio (MP3) versions of YouTube, Dailymotion, and Clipfish videos, it can also convert videos from these sites into downloadable video (MP4) files. If this site opens in German and you prefer English, click the American flag icon in the upper-right side of the page. It's below the "Insert video link (URL) and select format" heading in the middle of the page. Press Ctrl+V (Windows) or Command+V (Mac) to do so. You should see the address that you copied earlier appear in the text field. It's to the right of the text field. A drop-down menu will appear. You'll see this option in the mp3 drop-down menu. Doing so selects MP4 as your video's format. Click the drop-down box to the right of the "MP4 quality" line of text, then select the quality level in which you want to download the video. The quality that you select here can't be higher than the video's maximum quality. For example, you can't download a 720p video in 1080p. It's an orange button to the right of the file format. Doing so will generate an MP4 download link for the video. If clicking convert results in an error that says "pick another video" or "cannot be downloaded", Convert2MP3 is undergoing site maintenance. You'll most likely be able to use it again within 24 hours. This green button is in the middle of the page. Your video's MP4 file will begin downloading onto your computer, though you may be prompted to select a download location and click Save depending on your browser.
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One-sentence summary -- Go to a YouTube, Dailymotion, or Clipfish video. Select the video's address. Copy the address. Open the Convert2MP3 website. Click the video link text field. Paste in your video's address. Click the mp3 box. Click mp4. Select a quality. Click Convert. Click Download.

Slide the clamps closed and push the extension rod in all the way. Then, hit reset to display only zeros on the screen. Properly zeroed calipers are essential to getting an accurate measurement, so make sure to do this! Calipers have 2 large jaws that you can open and close around the outside of an object. These jaws are located at the bottom of the ruler part of the calipers. Open the calipers so they are wider than the outside of the object, and then close the calipers around the part of the object you want to measure. For example, to measure the length of a nail, open the calipers wider than the length of the nail and close them so that 1 jaw is touching the head of the screw and the other is against the pointed end of the screw. Find the inner measurement jaws on top of the calipers (above the part that looks like a ruler). These are smaller than the outer jaws. Close the inner jaws of the calipers and put them inside of the object. Open the calipers so the inner jaws are pressed against the inside of the object. For example, to measure the inner diameter of a pipe, open the calipers until they are pressed against the inside of the pipe to get your measurement. Locate the extension rod on the side (or end of the ruler section) of the calipers. Position the calipers against the top edge of the object or hole, and then extend the bar down into the hole or object until it touches the bottom. For example, to measure the depth of a hole, place the caliper jaws against the rim of the hole and extend the bar down into the hole all the way to the bottom. Look at the screen and record the number. Keep in mind that the readout will include a zero or whole number followed by a decimal and 3 digits behind it. For example, the readout may say 0.365in (0.93cm) or 4.987in (12.67cm). Record the entire number as your measurement. Some digital calipers have a button to change the measurement from imperial to metric or vice versa. Check to see if this is a feature of your calipers and press the button if needed.
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One-sentence summary --
Zero out the calipers before you get started. Clamp the jaws around the outside of the object for an external measurement. Open the jaws inside of an object to find the inner diameter. Push the extension rod into the object for a depth measurement. Look at the digital reading.