Look for the plastic or concrete cover in your yard that's the closest to your home. Carefully lift the lid up and off of the tank so you can look inside. Look for the end of a white or green pipe that's on the side of the tank closest to your home, and check if anything is blocking the end. If there is, then it may be the clog causing the problem. If the water level is below the inlet pipe, then the clog may be somewhere in the drain pipe between the septic tank and your home. If the water level is above the inlet but there isn't anything blocking the end of the pipe, then the clog may be in the leach field. You may need to dig up the access lid with a shovel or use a pry bar to lift it up. The scum layer is the solid waste that builds on top of the septic tank. Use a long, solid piece of wood or metal and use it to move the scum down or to the side of the inlet pipe. Continue pushing as much of the scum from around the pipe as you can so it can keep filling your tank. Always wear gloves while working in your septic tank so you don't get any bacteria or waste on your hands. If water starts flowing out of the pipe after pushing around the scum, then you've removed the clog. Feed the end of the stick or pole you're using into the end of the pipe as far as you can. Scrape the sides of the pipe with the end of your probe and pull out any waste into the tank. If the clog is at the end of the pipe, you should be able to break it apart so the water begins flowing again. If water doesn't flow out of the pipe, then the clog is deeper inside the pipe. You may not be able to feed your probe into the pipe depending on the pipe's location. Pour 1 part chlorine bleach and 5 parts clean water into a large bucket and stir it together. Dip your tools in the solution and let them soak for about 5 minutes to kill any bacteria that are left on the surface. Pour the liquid back into your septic tank when you're finished. Try to take a shower or bathe as soon as you can after working on your septic tank. Use bleach or laundry sanitizer when you wash your clothes just in case any bacteria got on them. Lift the lid and hold it over the hole leading into the septic tank. Slowly lower the lid down so it covers the hole completely and doesn't move around. If you haven't cleared the clog, leave the lid off so you can insert a mechanical auger. Never leave the septic tank open while you're not working on it so nothing can fall in. Even after removing the clog, your tank is likely to back up again if the main tank is filled to the inlet pipe. Reach out to septic service professionals and let them know that the scum level has reached the pipe. Try to schedule them within the next 5 days, or else you increase the chances of the septic fluid traveling back up the pipes. The service will empty your septic tank so the scum can't get into the pipes again. Getting a septic tank pumped usually costs between $75200 USD depending on the size and amount they need to clean. Have your septic tank cleaned and emptied every 35 years, or when it gets full.
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One-sentence summary -- Lift the tank's access lid closest to your home to check the inlet pipe. Push the scum away with a pole or stick if it's stuck in the end of the inlet pipe. Probe the end of the pipe with the pole or stick if the clog is deeper inside. Disinfect any tools you used with a 5:1 water and bleach solution. Put the access lid back on the septic tank if you fixed the problem. Have a professional service pump your tank within 5 days if it was full.

Article: Above all, your car should be light. The smaller the mass of your car, the better every gram or milligram you can shave off of your car's frame is a little further your mousetrap will be able to push your car. Try not to have any extra frame material beyond what's necessary to keep your mousetrap and wheel axles in place. If you see wasted space on your frame, try removing it, or, if this is impossible, make holes in it with a drill to bring its weight down. You'll also want to use the lightest material possible for your frame. Here are just a few suitable ones: Balsa wood Hard plastic sheets Thin, light metal sheets (aluminum/tin roofing material, etc.) Building toys (K'NEX, Legos, etc.) Ideally, you want your car to be shaped aerodynamically that is so that it presents the smallest possible surface area in the direction it will travel. Like an arrow, a longboat, an airplane, or a spear, a vehicle that's designed with maximum efficiency in mind will almost always have a long, skinny shape to minimize drag from air resistance. For the purposes of your mousetrap car, this will mean making your frame both narrow (though it will be difficult to get your frame any narrower than the mousetrap itself) and vertically skinny. Remember, to minimize drag, you're trying to give your car the narrowest, smallest profile possible. Try getting down on the ground and looking at your car from the front to spot pieces of the frame that make your car's profile unnecessarily large. Wherever you can, try to use glue in your car's design, rather than nails, pins, or other heavier solutions. For instance, you should only need to use just a few small spots of glue to fix your mousetrap to the frame. Generally, the glue will hold just as well as nails, which can add unnecessary weight. Use super glue not school glue it won't hold as good. Another advantage of glue is that it shouldn't usually affect your car's air resistance. On the other hand, if either end of a nail sticks out of your frame, it can have a minor effect. The only limiting factor when it comes to how light and skinny you can make your mousetrap car's frame is its fragility if it's too light, it may become so fragile that the action of springing the mousetrap breaks the car apart. The delicate balance between achieving the maximum distance and making your car unstable can be quite tricky to get right, but don't be afraid to experiment. The mousetrap itself is unlikely to ever break, so as long as you have extra frame material, you'll have the freedom to make mistakes. If you're using an extra-fragile material like balsa wood and you're having a hard time getting your frame to hold together, consider adding a small strip of a sturdier material like metal or plastic on the underside of the frame. Doing this increases the structural strength of the car while minimizing the change to its air resistance and weight.
Question: What is a summary of what this article is about?
Build the lightest frame possible. Make the frame long and narrow. Use glue instead of nails wherever possible. Keep your frame's structural integrity in mind.