Here are a few options: You can use a styrofoam cell base. Craft or art stores and will have styrofoam balls (if making an animal cell) roughly the size of a basketball or a styrofoam rectangular cube (if making a plant cell). Cardstock can be used to form a number of cell structures, such as the Golgi apparatus or rough endoplasmic reticulum. Straws or small hoses can be used to form tube-like structures. The microtubules could be constructed out of stirring straws, while flexible straws or tubes can be used to model the smooth endoplasmic reticulum. Use beads of various sizes and shapes as other cell structures, such as mitochondria or chloroplasts. Try to keep them on an appropriate scale compared to the other structures in the model cell. Modeling clay can be used to create any structure that is difficult to replicate using preexisting materials. Paint can be used to fill in the cytoplasm and differentiate between it and the exterior of the cell. You can also paint any clay structures you have created. Measure the base and make dots at the points that equal half the length of a side. Draw lines showing where to cut. Then use an exacto knife or something similar to cut and remove a 1/4 section. For the plant cell, do this by drawing the center line on any two adjoining sides and continue those lines all the way around until they circle back. If doing this for the animal cell, draw the lines like you were making the equator and the meridians on a globe. Paint the inside of the 1/4 section in order to help your cell parts stand out. You can also paint the outside in a different color to contrast it with the cytoplasm. Create them from the craft items listed above. The trickiest of these will be the parts that you must model out of clay. Keep these structures as simple as possible while remaining true to the basic structure you are modeling. It may be best to only make the simplest of structures out of clay and leave more complex parts--say, the smooth endoplasmic reticulum--to be replicated using tubes or some other item. Add the parts to your cell base (the styrofoam). This can be done by using hot glue, regular glue, toothpicks, pins, staples, or a number of other methods. In some cases you may also need to literally dig or carve out space in the styrofoam to fit in the parts. The Golgi apparatus and rough endoplasmic reticulum can be shaped out of cardstock using your hands. In this case, make slices into the styrofoam and slide pieces of cardstock in to form the folded shapes of these structures. After you've added your cell pieces, write up a list of what part of a cell each item corresponds to. You'll probably need to be able to tell people about the parts of your cell later on.
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One-sentence summary -- Obtain the materials. Cut out a 1/4 section of the styrofoam base. Paint it. Make the cell parts. Add the cell parts. Make a table or key that defines each part.

Q: Use your old brake lines as guides, cutting each line ahead of time so that you can visualize how much extra tubing you have (or need to buy, if you're short). "Chamfering" is simply creating a slope at the end. You want to use a file or a bench grinder to slant roughly 1/2" of the end. It will look a bit like a pencil without the lead in the center. You want to install the fitting so that it can be screwed on over your flare. Make sure you add the fitting now, as it can be difficult to add later. Most lines are flared on both ends, so make sure you add two fittings, pointing opposite directions, before beginning. The long free piece of the flaring tool should be clamped firmly into a table vice, keeping it in place as you put pressure down to flair the line. The actual flaring tool should hang over the edge of the table, as the brake lines need to drop down below the tool as you work. You can do this free-handed if you don't have a vice, but it is much easier with one. This is the part you'll be flaring, but you don't need much exposed to make your connection. 1-2mm above the flaring base should be enough. Note how, in the video, the tube is in the far left hole of the flaring tool. Thus, the left-most screw is tightened first, keeping the tube in place, before the screw on the right is tightened. These only need to be hand-tightened. You want a nice flat surface to create your connection. Make sure it has a nice flat top. Take a small reaming tool and insert it straight into the top of the line, rotating it with even pressure down into the tube. This will ream out the inside edge of the tube.
A: Cut the tubing to the required length with your tubing cutter. Chamfer the ends of the tubes that you'll be double-flaring. Slide the fitting onto the line, with the threading facing the side you just cut. Mount your flaring base in a vice. Slide the tube into the appropriate sized hole on the flaring base so that the chamfered end barely pokes out the top. Tighten the flaring base around the tube, starting with the screws closest to your brake tube. File down the top of the tube so that it is flush with the flaring tool. Use a reaming tool to clean out the inside edge.

Article: If you're not already signed in with your Google account, click SIGN IN at the top-right corner of the screen to sign in now. It's not possible to open your subscriber list using the mobile version of the YouTube app. This opens the menu. It's near the top of the menu. It's one of the blue buttons near the top-right corner of your profile. It's at the top-left corner of the page above your channel image. This displays a list of users who've subscribed to your channel. Only subscribers who make their subscriptions public will be shown on this page. There's no way to display subscribers who hide their subscriptions. This takes you to that subscriber's channel. It's near the top-right side of the subscriber's page. It's under the "Stats" header in the far-right column. A menu will appear. This removes the user from your list of subscribers and prevents them from communicating with you. Blocked users will not be able to comment on your videos.
Question: What is a summary of what this article is about?
Sign into https://www.youtube.com. Click your profile photo at the top-right corner. Click My Channel. Click CUSTOMIZE CHANNEL. Click (number of)subscribers. Click the name of the subscriber you want to remove. Click the About tab. Click the flag icon. Click Block user.

Article: Make sure that the disk is inserted before you go looking for it on your computer. Ensure that the disk is inserted rightside-up. Make sure that the disk lock is not engaged before inserting the disk. When formatting a disk, all the information contained on it will be erased, so make sure you've backed up anything you need to save. You can access this by clicking the Go menu, selecting Utilities, and then selecting Disk Utility. It will be listed in the left frame of the Disk Utilities window. This is located in the right frame of the Disk Utilities window. In the Volume Format drop down menu, select "Mac OS Standard" if you only plan on using the disk with other Macs. If you want to use it with multiple operating systems, select "FAT". You can label the disk by typing a label in the "Name" field. Click Erase... to begin the formatting process. You monitor the progress by looking at the bar in the Disk Utility window.
Question: What is a summary of what this article is about?
Insert the disk. Open the Disk Utility program. Select the floppy disk. Click the "Erase" tab. Select the format. Start the format.