In one sentence, describe what the following article is about: As with men, black and grey are more formal, making for a safer bet. Avoid low-cut dresses or those with high slits. Avoid dresses (especially) and skirts that are more skin-tight. No sundresses. No jeans, unless otherwise noted. If jeans are allowed by your employer, distressed jeans, jeans with holes, and "boyfriend" jeans are not desirable choices. Neutral colors are best. Women have a few more options in this department than the men. Opt for conservative and not too revealing. Blouses, plain shirts, cotton shirts, sweaters, turtlenecks, vests, and sleeveless shirts are all acceptable.  Tucked-in or untucked can both go, depending on the shirt. Unusual patterns are acceptable, as long as they are not wild. The standard, however, is a monotone shirt. Use a collar for a more formal look, and collarless shirts for a less formal look. Avoid flip flops, sandals and sneakers. Heels are okay, so long as they aren't too conspicuous. Remember dress socks or pantyhose (with skirts or dresses) and tastefully accessorize with light jewelry and a simple purse. Ask yourself the following set of questions if you're still not sure whether your outfit is acceptable.   Would I wear this clubbing? The answer should be 'no.'  Would I wear this to sleep? The answer should be 'no.'  Would I wear this to do yard work? The answer should be 'no.'  Would I wear this to a costume party? The answer should be 'no.'
Summary: Remember that skirts and dresses are acceptable as long as the hem falls just above the knees. Opt for pants such as khakis, corduroy pants, linen pants or dress pants. Choose from a variety of shirts. Try footwear such as leather shoes, flat trouser shoes, high heels; no open toed shoes. Complete the business casual look. Check the list.

When you notice the tank starts to look smeared or dirty, it's time to wipe it down. Just use a damp cloth to wipe down the sides and the lid. The substrate will get dirty over time as your snail uses it for a bathroom. That means it needs to be changed out frequently. Once a week, throw out the old substrate and provide the snail with a new, clean layer. Once in a while, you'll need to clean the tank fully. Clean it at least once a month, though some owners clean it weekly. Take everything out, and scrub the tank down thoroughly with hot water. You don't want to use cleaners or disinfectants, as the snails will absorb those through their skin. Snails also need regular baths, though only about once a month. Keep in mind that snails absorb through their skin, so you don't want to use soap. Just bathe them in lukewarm water, gently wiping them down with a soft cloth. After you do anything with your snail, from bathing it to cleaning the cage, you need to wash your hands well. Using warm water and soap, scrub them for at least 20 seconds before rinsing. Though the risk is low, snails can act as an intermediate host for certain parasites. Washing your hands well is important for protecting yourself from possible parasites.
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One-sentence summary -- Wipe down the tank when it looks dirty. Change the substrate weekly. Clean the tank fully once a month. Bathe the snails once a month. Wash your hands thoroughly.

Problem: Article: Fire and smoke are responsible for the largest percentage of crash fatalities. The smoke in an airplane fire can be very thick and highly toxic, so cover your nose and mouth with a cloth to avoid breathing it in. If possible, moisten the cloth to provide extra protection. Stay low as you escape, to duck under the level of smoke. It might not seem like a big deal, but passing out due to smoke inhalation is one of the most dangerous things that can happen during this critical period. According to the National Transportation Safety Board (NTSB), 68 percent of plane crash deaths are due to post-crash fire, not injuries sustained in the crash itself. It’s critical to get out of the aircraft without delay. If fire or smoke is present, you will generally have less than two minutes to safely exit the plane. Make sure the exit you choose is safe. Look through the window to determine if there is fire or some other hazard outside of an exit. If there is, try the exit across the plane, or proceed to another set of exits. Flight attendants undergo rigorous training to make sure they know what to do in the event of a crash. If a flight attendant is able to instruct or assist you, listen closely and cooperate to increase everyone’s chances of survival. Don’t try to rescue your belongings. It’s common sense, but still some people don’t seem to get it. Leave everything behind. Rescuing your belongings will only slow you down. If you end up needing to salvage supplies from the plane crash site, worry about that later. Right now, you need to make sure that you get clear of the wreckage and find some safe cover. Get out now. If you’re stranded in a remote area, the best thing to do usually is to stay close to the aircraft to await rescuers. You don’t want to be too close, though. Fire or explosion can happen at any time after a crash, so put some distance between you and the plane. If the crash is in open-water, swim as far away from the plane wreckage as possible. While it’s essential to stay calm after a crash, you also need to recognize when you need to act and do so swiftly. Help out people who are struggling and tend to people's wounds using basic first aid available.  Attend to your own wounds if at all possible. Check yourself for cuts and other abrasions, and apply pressure if necessary. Stay in one place to reduce the chance of exacerbating internal injuries. Negative panic is a strange inability to react assertively and appropriately to the situation. For example, a person may just remain in his or her seat instead of heading toward the exit. Watch out for this in your fellow passengers or traveling companions. and wait for rescue. You stand a much higher chance of surviving if you just stay put. Don't wander off and look for help, or try to find something close by. If your plane went down, there will be people on the way quickly, and you want to be there when they arrive. Just stay put.
Summary:
Protect yourself from smoke. Get out of the airplane as quickly as possible. Listen to the flight attendants’ post-crash instructions. Ditch your stuff. Get at least 500 feet (152.4 m) upwind from the wreckage. Stay in one place, but pay attention to what needs to happen. Call Emergency Services