Your scalp produces natural oils which provide your hair with a lot of moisture. When you shampoo your hair, you wash away these oils, leaving your hair dry. Instead of washing your hair every day, simply rinse your hair in the shower and shampoo only every 3-5 days. If your hair looks greasy in between washes, use a dry shampoo to soak up the oil and add texture. Select a moisturizing shampoo and conditioner to help smooth your hair and reduce puffiness. Read the labels and choose products that specify they are "moisturizing" or "smoothing." Avoid using products with sulfates, which can dry out your tresses and lead to frizzy hair. Avoid products that advertise increased hair volume, as these will exacerbate frizz. Condition your hair from the mid-lengths to ends, and leave it on your hair for at least 2 minutes before rinsing. Cold water seals the hair cuticle, which will prevent each strand from losing valuable moisture and create a sleeker, shinier look. Enjoy a warmnot hotshower and rinse out your shampoo and conditioner with cool or cold water.
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One-sentence summary -- Wash your hair as infrequently as possible. Use shampoo and conditioner formulated for dry hair. Rinse with cool or cold water.

Making eye contact is a good way to do this. If needed, you can use a small wave from a polite distance (not too close) or light touch to get the person's attention. While you should be considerate and not poke people, generally it is not considered rude in deaf communities to lightly touch people you do not know to get their attention. The shoulder is a good place to touch someone you don't know well; use a couple of short taps. Once they know the general topic, it is easier for them to follow your conversation. Try not to change the subject suddenly without pausing to signal the change. Pause often and ask if they are following you. If there is an interruption that the deaf person may not notice, such as the phone ringing or a knock on the door, explain why you are stepping away. Otherwise, the deaf person may think you finished speaking to them, and this can come off as impolite. If there is a sign language interpreter present to help you communicate, it is important to direct your conversation toward the person, not the interpreter (or other hearing companion). An interpreter will best understand how to help the deaf person grasp what you are saying, so don't worry about them. As the conversation comes to a close, you may offer to provide a quick summary of what was said. This can be helpful for some deaf people, yet unnecessary for others, so always ask first. You might say, "Would it help for me to summarize what we just talked about?"
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One-sentence summary -- Get the other person's attention before attempting to talk or communicate. Establish the gist of what you are going to talk about. Explain interruptions. Speak to the person, not the interpreter. Offer to summarize.

If the CD drive is tray-loaded, open the tray and disconnect the power cable without switching it off from the power button. This will leave the tray open, allowing you access to the slot. These rubber bulbs are sold as dust blowers in places that stock cameras or jeweler's equipment. Squeeze the bulb to gently blow dust out of the slot and/or tray. A can of compressed air is a risky alternative. Use brief blasts only to avoid excessive force, and check that the spray is completely dry first. Some brands spray a little liquid along with the air, which can destroy your drive. Assuming the dust blower didn't fix the problem, it's time to access the lens. Unless you have a snap-open portable player, you'll need to unscrew the device's outer case first. Once you have access to the tray that holds the CD, look for small catches or screws holding down the plastic cover over the lens assembly. Remove the screws or press on the catches carefully with a small screwdriver. You should see a small, circular lens to one side of the spindle, similar in size to the camera lens on a phone. This will likely void your warranty. A clean microfiber cloth is the ideal choice. You can find these at stores that sell electronics or eyeglasses. Special swabs for cleaning electronics will also work. Use cotton swabs only as a last resort. While they often work fine, there is a risk of scratching the lens. Use isopropyl alcohol with at least 91% concentration (and ideally "reagent grade" 99.9%). More diluted alcohol can leave a haze on the lens. Dampen the cloth slightly, without soaking it. Rub the cloth gently over the lens. Keep wiping until the center of the lens is shiny and has a blue tinge. A little haze around the perimeter is usually not a problem. You can use a lens cleaning solution instead of alcohol. In rare cases, you'll need deionized water to remove sugar-based residue. Deep scratches on the lens could make it unusable. If the scratches are barely visible, they are unlikely to be a problem. Wait a few minutes to avoid trapping any liquid alcohol inside the mechanism. While waiting, you can use the air bulb again to blow out any dust from the interior mechanism. Avoid over-tightening the screws, which can crack the plastic case. These discs brush the CD drive lightly, removing dust. In most cases, a cleaner disc is less effective than the methods above, and a low-quality disc could even cause more damage. Try it if nothing else works, or skip to the next step if you're willing to try more complex repairs. Cleaner discs usually run automatically when you insert them, but check the product instructions first. Do not use a CD cleaner disc on a combination CD/DVD player. Cleaner discs made for CD players will scratch a DVD drive. Check the product label for warnings before buying. Some discs are not compatible with some devices. If your CD player still won't work, you can try to disassemble it even more and examine other parts. This is fairly difficult, and may require the manual for your device. If you are patient and mechanically minded, try the following: Slowly turn the drive upside down while watching the lens. The lens should move up and down smoothly, without sticking or tilting. If it doesn't behave correctly, you may need to replace the whole pickup unit (or just get a new CD player). Carefully remove components around the lens if possible. If you can access the turning mirror (a small piece of glass), clean it the same way you cleaned the lens. Look for a plastic cogwheel attached to the laser mechanism. Turn this slowly with a swab and watch for moving parts. If any of them seem dirty or sticky, clean them with alcohol, then apply a thin layer of light lubricant suitable for electronics.
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One-sentence summary --
Confirm there is no CD in the player. Blow away dust with a handheld air bulb. Remove the lens cover. Select a lint-free cleaner. Wipe a small amount of high-strength isopropyl alcohol onto the lens. Let dry before replacing the cover. Try a lens cleaner disc. Consider more involved repairs.