Problem: Write an article based on this summary: Purchase detectors. Consider optional features. Find the right spots. Understand the display and sound settings. Install the detectors. Replace the batteries.

Answer: You can buy a CO detector at any home improvement store or major retailer. They vary greatly in price but cost as little as $15. There are a number of features you should consider when making your purchase. A CO detector should be able to emit at least an 85-decibel sound that can be heard within 10 feet. If you or someone in your house has hearing problems, you may want one that has a louder horn. Some detectors come in sets and can be connected with each other. When one goes off, the others will as well. This is ideal for a larger domicile. Check the lifespan of the sensor as they can wear away. Your unit's sensor filament should last at least five years. Some detectors offer a digital display that will give you an exact readout of the CO measured in the air. This feature is not necessary but may help you detect harmful accumulations more quickly. For a small apartment, you can use only a single detector but if you have more than 3 rooms, you'll want multiple detectors. You'll want to place them strategically in areas where CO accumulates. CO is lighter than air so it will rise toward the ceiling. Place the detectors on the wall as close to the ceiling as possible. If your home has multiple stories, you should have at least one on each level. Place one detector near each sleeping area. Don't place them in the kitchen, garage, or near a fireplace. These rooms will experience short-term spikes in CO that aren't harmful and will set the alarms off unnecessarily. The display and sound settings vary greater from brand to brand and model to model so you will need read the manual thoroughly. Most digital displays will provide a number that tells you the amount of CO in Parts-per Million (PPM) and some include a timer to specify the length of the testing time. Many will include a volume adjuster, a backlighting option, and auto power-off feature. The unit should come with instructions to install. Make sure you have the necessary tools while you are out shopping for the detector so you don't need to make multiple trips. Make sure you have a sturdy ladder to place them up high on the wall. You'll probably also need a power drill. The screws will likely come with the unit. Some units are hardwired or plugged in but most run on batteries. The unit should emit a noise when the batteries are low. Make sure you also have at least one spare pack of the necessary battery type at all times.

Problem: Write an article based on this summary: Turn your glass blocks into panes. Dye your glass blocks different colors. Craft glass bottles.

Answer: You can turn six glass blocks into 16 glass panes. These are thin, vertical blocks you can use as windows. In the PC edition, make a rectangle in the crafting area three squares wide and two squares high. Glass panes can look strange or even invisible when they aren't connected to anything on the sides. When you place other blocks next to them, the panes will automatically change shape to connect to them. You cannot make glass panes horizontal (flat). If you want to make a glass floor, use glass blocks instead. To make stained glass, place eight glass blocks in a ring around the crafting area. Put a dye of any color in the center to get eight stained glass blocks. Stained glass is not available in Pocket Edition as of Update 0.16.2. It will be released in a future update. You can make many dyes by placing a single flower in the crafting area. Ink sacs, bone meal, lapis lazuli, and cocoa beans are also dyes. Interested in brewing potions? First you'll need to make glass bottles. Make a "V" shape in the crafting area using three glass blocks. This creates three glass bottles. To fill a bottle with water, hold it in your quick slot bar and use it on any body of water.

Problem: Write an article based on this summary: Feel for lumps or swelling on the side of your face and neck. Think about whether you have any difficulty eating or speaking. Listen for any changes in your voice. Watch out for ear pain or swollen neck glands. Keep track of any weight or appetite loss.

Answer: Look for any abnormal lumps, swelling or bumps that are present on the side of your face or on your neck. Press gently along the sides of your neck for any pain, tenderness or lumps. Visually examine the skin for any abnormal growths or moles. Pull out your lower lip using your thumb and index finger and check for any lumps or irregular growths. Do the same for the upper lip. Put your index finger inside your cheeks and your thumb outside and check for any pain, change in texture, swelling or lumps in the cheeks by gently rolling and squeezing the skin with your fingers. If you experience any difficulty while speaking or chewing food (in addition to the other symptoms) it may be an indication of mouth cancer. More specific symptoms include: Being unable to swallow foods or liquids or feeling pain when swallowing. Experiencing a loss of taste when eating. Feeling as if something is caught in your throat when swallowing. Difficulty moving the tongue and jaw due to stiffness. Cancer of the mouth can put pressure on the vocal chords, causing changes in the sound of your voice. Usually, your voice will become more hoarse. You may also feel pain in your throat while talking, eating or even at rest. Check for swollen glands (lymph nodes) in the neck by pressing on the lymph nodes, which are located at the base of your lower jaw, under your ear lobes. The glands will feel swollen and painful to the touch. This is due to the fact that mouth cancer affects the drainage of the lymph nodes. You may also experience pain in the ears, as the cancer causes pressure against the inside of the ears. This usually indicates that the cancer has spread and become more advanced. As mouth cancer often causes pain when eating or swallowing, you may find it difficult to maintain your normal eating patterns. This reduced food intake can lead to weight loss. In addition to difficulty eating, the illness may cause a loss of appetite, which can contribute to further weight loss.

Problem: Write an article based on this summary: Smile. Fake competence. Adjust your body language. Relax.

Answer:
An easy way to look and act happy is smiling. But did you know that smiling can actually boost your mood? Smiling can induce feelings of happiness just as happiness can cause a smile. Try smiling with your whole face, not just your lips. Feel your cheeks and eyes change when engaging a large smile. This kind of smile is associated with positive emotions. If you're feeling upset or grumpy, combat those feelings with a smile. Try to connect with the sensations of smiling and begin to feel happiness. Getting through an uncomfortable situation while looking or feeling unfazed is a skill, and much can be attributed to confidence. If you have a presentation and feel fearful, tap into your innate confidence, even if public speaking is enough to make you run and hide. Tell yourself you can do it. Chances are if you exude confidence (even if it's forced or unnatural at first), people will believe you are competent. Speak loudly and clearly and act as if you are fully confident in your abilities. The opposite is true, too. If you go into a presentation feeling fearful, lots of things can give away your fear, such as shaky voice, lack of eye contact, acting flustered, etc. If you're closed off, looking down, or crossing your arms/legs, people may assume you are unapproachable. People with proper posture report higher levels of positive mood and self-esteem than slouchers. Changing your body language can help your mind believe that you are confident. Practice puffing your shoulders out (as a way to appear/feel bigger) or putting your hands on your hips. Practice doing triumphant poses, such as pumping your fist in the air before a nerve-racking situation. Relaxation can help calm any anxiety you may be feeling and can help you feel more at ease. If you are feeling tense, restless, or unhappy, try some relaxation techniques to help you feel more balanced. This can be especially helpful before a big presentation or something that makes you feel anxious. Slow your breathing and start counting your breaths, 4 seconds inhale, then 4 seconds exhale. Once this feels easy, extend to 6-second intervals, observing your breath moving in and out of your body. Use muscle relaxation to soften tense muscles. You can do progressive muscle relaxation, which focuses on different parts of your body at a time, releasing any tension you feel. Start with your toes, then work on muscle groups through your legs, hips, stomach, chest, arms, shoulders, and neck.