It doesn't matter what type of egg you use. Don't feel inclined to buy expensive, organic eggs, but you could. Jumbo eggs cost a little more, but are easier to work with. You can even save the egg's insides for cooking if you don't want to be wasteful. Turn on the faucet to a mild stream. If the water is too heavy, the shell might crack or become damaged. Gently wash the leftover insides out of the shell.  You don't need to be too thorough, but a basic rinse will do. Place the egg shells back into the egg carton.  Make sure the hole you created is facing down. This will allow most of the liquid to clear from the shell. By the time you're done preparing the powder, your shells should be ready to go.  It'll take around 15 to 20 minutes. Place them in a sunny spot of the house for a quicker drying time.
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One-sentence summary -- Gather a batch of eggs. Wash out the interior. Dry the egg shells.


Aside from weapons, there are other items available for pick-up, most of which should be reserved for tense or serious situations.   Pain Pills: Gives you a temporary boost of health, though it will disappear after some time. This is incredibly helpful, however, for final events, where the extra boost saves a Medkit and gets you through the challenging events, allowing you to heal later fully.  Adrenaline Shots: Provides a small health boost, and boosts your running speed. Most importantly, it keeps you from "flinching," which is when you are temporarily unable to shoot after being hit. Use them right before huge moments, or if you need to get to a teammate to save them quickly.  Bile Bombs: A grenade that causes all regular zombies to flock to the spot where it fell, ignoring you. If you throw it on another Zombie, the other Infected will attack them instead of you.  Pipe Bombs: Like bile bombs, these cause Inflected to leave you and flock to the spot where you threw it. After a few seconds, as the infected crowd the spot, the bomb explodes, killing them all.  Molotov Cocktails: Explode on impact, and leave a temporary lake of fire that hurts all Infected and humans that walk through it. Great at creating walls against the hordes of dead, and essential against the monstrous "Tanks." There is a variety of items and weapons available in Left 4 Dead, each with their own pros and cons. When you start out, you will only have access to a small variety of them, but more powerful weapons and items will appear as you progress.   Shotguns: Coming in chrome, pump, and automatic options, shotguns are great options in close quarters. They deal a lot of damage and have a wide spread of fire, but they are inaccurate at long distances. Use them in hallways and other tight locations.  Rifles: Powerful and accurate at long ranges, they are almost useless in tense, swarming situations because they take a while to aim and shoot. But they are great in a group and can clean up long-range, incoming enemies while the rest of the team waits patiently for them to reach shotgun range.  Automatic Weapons: Submachine guns, M16s, and their ilk are your bread and butter. They have good power and a high rate of fire, allowing you to mow down medium and close range enemies. When in doubt, choose automatic weapons.
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One-sentence summary -- Use items effectively in tense situations. Understand the advanced weapons.


Try starting with the side opposite your dominant hand (e.g., if you're right-handed, start with your left side). Generally, that side is much easier and quicker to do. Bending over will help you to see the area clearly. Prop your raised leg on the shower wall or sink if you need to. The process for this section is the same as the one outlined above when it comes to exfoliating and whatnot. However, razor burn and ingrown hairs are less likely to show up down here, so the hardest part is over. Take care not to get any gel or other shower products in between the labia. If you find it running off under the shower water, you'll need to reapply. That is, if you're shaving your left side, shave from left to right. Use a light touch. Stop each stroke before the end of the labium in the center. Rinse any excess shaving gel when you are done shaving the first side.  You may want to spread your legs further apart to keep the skin you're shaving taut, so that you won't run into any folded or wrinkled skin while you're shaving. Shave the other side of your labia and your other inner thigh crease following the same technique.
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One-sentence summary -- Bend at the waist and lift your first leg. Wet the area and apply shaving gel to the area. Shave with smooth, horizontal strokes from the outside in.


Remove debris like leaves and algae from the bottom of the pool once the water is drained. Then place your water hose at the deep-end side of the pool. Position it near the ledge so that the water will run over the tile when you turn it on. Because the acid solution emits noxious fumes and is harmful if it gets onto your skin and body, rubber boots, safety gloves and goggles, and a respirator with an acid approved filter are necessary. For extra precaution, wear a protective suit that is chemical-resistant. You can use a plastic bucket. Make sure to slowly add the acid to the water and not the other way around. Because the acid will fizz and emit fumes when you pour it into the water, make sure you are wearing your respirator, goggles, gloves, and protective clothing. You can purchase muriatic acid and acid-resistant cleaning tools from your local pool maintenance store or online. Starting at the deep end of the pool, work the solution into the grout with the brush. Working on small sections at a time, scrub the tile with an acid-resistant scrub brush. Once the calcium silicate scaling is removed, rinse the tile with water using the hose.  Alternatively, fill a watering can with the solution and use the can to pour it onto the tiles. Then use the acid-resistant scrub brush to clean the tile. Repeat this process until all the tiles are cleaned. Add 2 pounds (.9 kilograms) of soda ash for every gallon of acid. Do this once you are done cleaning all of the tiles. The soda ash neutralizes the acid so it can be safely removed from your pool. Do this using a water pump. Once the acid is pumped out, rinse the pool with the hose. Then proceed to pump this water out of the pool as well. When the pool is completely rinsed and cleaned, refill it with water.  When rinsing the pool, make sure to rinse your boots, gloves, goggles, and protective clothing with water as well. Rinse until all the acid is completely gone. Discard any unused acid at your local hazardous waste disposal.
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One-sentence summary --
Drain your pool. Wear protective clothing. Add 1 gallon (3.8 liters) of muriatic acid to 1 gallon of water in a bucket. Apply the solution to the tile with an acid brush. Add soda ash to the acidic solution at the bottom of the pool. Pump the neutralized acid out of the pool.