Nitrate medications used to treat chest pain or heart problems can interact negatively with Cialis. Do not take Cialis if you are taking medication for hypertension (high blood pressure).  You should also avoid taking Cialis if you are taking medication for liver or kidney issues. Your doctor should discuss the medications you are taking and confirm Cialis is safe for you before prescribing it to you. Having a lot of alcohol while on Cialis can cause side effects and affect the potency of the drug. Limit yourself to 1-2 alcoholic drinks when you take Cialis. Grapefruit juice and products containing grapefruit can interact negatively with Cialis, causing side effects. You may experience headaches, nausea, upset stomach, or become flushed when you take Cialis. You may also develop muscle pain, especially in your back, arms, or legs. This side effects should fade away as your body get used to the medication. If your side effects do not go away or they become worse, stop taking Cialis and see your doctor right away.
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One-sentence summary -- Avoid taking Cialis if you are on heart medication. Do not drink excessive amounts of alcohol. Avoid having grapefruit while on this medication. Watch for the side effects of Cialis.

Q: Most propane torches consist of a small gas tank fitted with a regulator, with or without an electric igniter. If yours doesn't have an igniter, you'll need to use a striker to light the torch.  If you need low heat, opt for a propane torch with a flame-spreading tip, which will allow you to diffuse the flame to lower its heat. When using a high heat for repairing chain-link fences and the like, consider using an oxygen-fuel torch. These torches have 2 separate tanks for gas (usually propane or MAPP) and oxygen. Before using the propane torch, you should put on a pair of heavy work gloves and safety glasses. It is also best to wear long sleeves and pants. Your propane torch should only ever be used in well ventilated areas.   Be cautious of wind when using your torch. It can cause the flame to jump and catch unintended things on fire. Never ignite your torch near flammable material. Avoid clothing that is loose or hangs. Loose or hanging clothing is more likely to accidentally catch on fire when operating a torch. Hold the torch with the tip facing away from you and open the gas valve. If you have a striker, place it over the torch nozzle and strike it to ignite the gas. If your torch has an electric igniter, pull the trigger to ignite the gas. This may take several tries.  Some propane torches have a safety trigger that must be depressed when lighting the gas. If you are using your torch indoors, make sure to open a window for ventilation. If using one outdoors, be cautious of the wind causing the flame to jump to flammable objects. Once the propane torch is lit, you can adjust the height of the flame by turning the gas valve. For soldering or other high heat applications, a small flame is best. A larger flame works better for low heat applications. The flame will have a bright inner cone and a more diffuse outer cone. The hottest point of the flame is the very tip of the inner cone. For soldering pipe, place the tip of the inner cone against the joint and hold the torch steady. For loosening rusty bolts, try to focus the flame on the nut only or the surrounding metal. For low heat applications, hold the flame further away from the material and keep the torch in motion. Applying your torch to metal will cause the metal to expand. When loosening bolts, it may be best to heat the surrounding metal to prevent the bolt from expanding. After use, rotate the gas valve until it closes completely. Allow the propane torch to cool down and then store it in a dry location.  Listen for running gas to ensure safety.  Separate your torch from the fuel cylinder when you finish using it. This will provide less opportunity for accidents.  If you hear leaking gas, check the valve and make sure it is completely closed. If you still hear gas, check for leaks in the fashion explained in the section on troubleshooting your torch.
A: Choose the right propane torch for your needs. Wear appropriate safety gear. Light the propane torch. Adjust the height of the flame. Place the flame against the material you need to heat. Turn off the gas when you are done using the torch.

Article: Try to keep the lines as straight as possible. You can use a ruler if you want. It should be congruent and behind the first square you drew. You should now have two squares overlapping one another. The further they are apart, the longer your house will be. (For a relatively square house, the distance between the squares should be about a quarter of either square’s length.) Draw lines connecting the corners of each square. Make sure you connect each to the nearest corner, and that you then connect that to the other square. This will make your squares into a three-dimensional cube. This will determine the point of the roof. It should be high in comparison to the house’s base, but not more than half its height. They should all be attached to the dot by a smooth, straight line. This will be the roof. All of your inner lines should be gone except for the line that differentiates the roof from the base of the house. (You can still erase it if you want, but it will be harder to tell where the house stops and the roof begins.) The windows should be small and square, and not too close to the walls’ edges. The door is a rectangle with a circle for a doorknob. If you want you can draw a window on the side of the house, but it needs to be a parallelogram, not a square. Create details and make sure you shade correctly. It works best if you choose a bright color for the base of the house, and an equally bright color for the roof. Then take darker versions of these colors, and color in the other side with them; this will shade your drawing effectively.
Question: What is a summary of what this article is about?
Draw a square. Draw another square. Connect the corners. Draw a dot above the cube, in the “front” of the house. Connect the upper corners to the dot. Erase the dot and every inner line. Draw a door/windows. Color it in.

Article: Turn off the water at the supply valve. Flush the toilet to remove most of the water (holding down the flusher for as long as possible). Remove the remaining water from the bowl by forcing it down with a plunger and mopping up the remaining water with a sponge. Then, remove the remaining water in the tank with the sponge as well. Disconnect the supply line using a wrench. You may want to take the opportunity to replace the line. If keeping the line, only disconnect it where it attaches to the toilet. Straddling the bowl, place a hand on either side of the base of the tank and lift it off, rocking it side-to-side a little to ease it off and making sure to bend with your knees. Put it somewhere out of the way but be sure to put it somewhere water resistant, as there may be residual water. Now you can remove the rest of the toilet. Grab the toilet and rock it side-to-side to break the wax seal underneath and lift it off the bolts. If the bolts are badly rusted and the toilet is getting caught, you may need to cut off as much of the bolts as you can see using a hacksaw. Remove the toilet and put it somewhere out of the way.
Question: What is a summary of what this article is about?
Get rid of all the water. Disconnect the line. Remove the tank. Remove the seat.