Once you're exactly sure of where you want to go and when you want to go where, where you want to stay and how you want to get around, make your reservations. For flights, again, book around two months out. And don't wait till the last minute for your hotels either – you don't want them to be booked or almost-booked (because then prices skyrocket). And anything else for that matter, too. Many attractions have ticket sales online where you can skip the lines and go right in. Sure, the idea of waiting in line right now doesn't sound so bad, but for three minutes of work right now you can not waste hours of your vacation standing in a line with strangers wishing past you would've had better sense. While you may not want to pay premium rates for something that might not happen, you should nonetheless have some protection in case you could not travel during the time your tickets are booked for. The average one week vacation will cost you in insurance needs approximately $75 dollars. This is not a lot of money considering the security it buys you. Only you know if you are one of these people that changes their mind often, or often does re-scheduling – or if you are one of these people that will fly out in a hurricane, no matter what! Some countries require a visa to enter and exit the country. Does where you're going require one? If so, do this as soon as possible. If something is to come up and you don't have one, kiss your trip goodbye. Barring countries that take monetary bribes, they will tell you to turn around and get a flight back home if you don't have one. Keep your passport, travel documents, visas, and similar items in a safe pouch. You may want to make copies, too, and keep them in a safe place. It will make it so much easier to replace anything that you lost. For starters, notify a friend or family about your leaving. If possible, leave them a contact number or address. If anything goes wrong, you'll be able to hear about it. And if anything should go wrong on your end, they'll be able to take care of business back home. If applicable, put vacation notices on your e-mail, and remember to set your answering machine. Those messages will just have to wait until you get back.
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One-sentence summary -- Make your reservations for flights and accommodations. Consider travel insurance. If traveling internationally, make sure your documents are in order. Notify the right parties that you're leaving.

Q: FM systems use radio waves and are best for noisy environments.  If you usually watch TV in a busy home or a home with a lot of commotion, this may be a good option for you. The FM system uses a transmitter microphone and a receiver.  The receiver can be used as headphones or used with your hearing aids.  FM systems are also portable and can be used in other environments (e.g. restaurants, school, work) FM systems are more expensive than TV amplifiers. You can buy an FM system online, in electronics stores, or through a hearing professional. The microphone can be connected to the TV using an audio jack, or you can place the microphone next to the TV speaker.  A 3.5mm stereo socket is usually used to connect the transmitter to the TV. Many transmitters will allow you to select a frequency as well.  Frequency options are helpful as certain frequencies can be noisy. FM systems typically use headphones, earbuds, or neckloops.  If your FM system has different frequency options, make sure that your receiver and transmitter are set to the same frequency. You can control the volume using your receiver. The receiver can be worn around your neck or sometimes clipped onto your pants.  Radio waves can go through walls, so you may be able to hear the TV from another room. Test the range of your receiver once everything is set up.  The transmission range can be up to 1,000 feet (300 m). If you are using hearing aids, turn your hearing aids to the "T"  position   Plug either a neckloop or silhouette inductor into the receiver. Neckloops are worn around the neck, and silhouette inductors are worn behind the ear.  Silhouettes are most useful for people with severe hearing loss.
A: Decide if an FM system is a good option. Connect the transmitter to your TV. Set up your receiver. Use the FM system with your hearing aid.

Article: The thread guides are the metal devices that help regulate tension. They are various loops that you run the thread through before looping it into your needle. They keep the thread from getting tangled and distribute the tension evenly from the spool to your fabric. Tension is what keeps your bottom and top stitches in equal tension with one another. In other words, it is what keeps your front and back stitches looking the same. Both the top and bottom tension must work together in order to create consistent stitching. If your top and bottom stitches aren’t even, it may be due to your tension not being right on the top or bottom. Most domestic sewing machines are of the "lockstitch" variety. That means an upper thread and a lower thread "lock" together. When they don’t “lock” together properly, you could have an issue with the tension.
Question: What is a summary of what this article is about?
Find the thread guides. Understand tension.