From curvy celebs to period cosplayers, do waist trainers work are the latest fitness fad with an equally trendy name: “corsets.” The elastic bands with laces, velcro, and hooks are designed to be worn for long periods of time around your midsection to mold your body into an hourglass shape. The idea is that the smooshing of your tummy (which can reduce your waistline by up to 2-3 inches) and the intense pressure will make you sweat, burning extra calories and water weight along the way.

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But the fat-burning claim isn’t true, and a waist trainer might even be harmful. The squeezing is not only uncomfortable, but it can also interfere with your digestion and lead to acid reflux. The tummy compression can also prevent your lungs from expanding fully, which limits the amount of oxygen you can take in. This can lead to breathlessness, fatigue, fluid buildup in the lungs, and inflammation.

While waist trainers may increase core strength in the short term, using one for an extended amount of time can actually weaken your abdominal muscles as they become accustomed to supporting you with less work. That can lead to a slumpy posture and back pain. The squeezing can also cause acids from your stomach to splash up into your throat, leading to nausea and vomiting.

The real benefits of waist training come from combining it with regular exercise and a healthy diet. If you do choose to wear a waist trainer, make sure it’s not too tight so that you can still breathe and have good core support. If it’s so tight that you can’t breathe, or if you feel any pain in your shoulders or abdomen, stop wearing it immediately.

Tracer gas leak detectors use sensors to identify dangerous levels of combustible or toxic gases, usually sounding an alarm and warning people not to enter the area. They can be found in places like kitchens, boiler rooms, and garages to detect any gas leaks from leaking stoves, ovens, water heaters, or from automobiles in the area. Some have app-based alerts that can send information to smartphones, as well as smart home integration to help users monitor their appliances from anywhere.

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Various types of gas detectors exist, each with unique detection methods. For example, a catalytic bead sensor uses a platinum-treated wire coil that oxidizes when exposed to combustible gas and triggers an alarm. These are typically found in homes and can detect a wide range of gases, including carbon monoxide.

Other devices feature a solid state sensor that uses a material (usually tin oxide or aluminum oxide) that can be formed into a bead-type sensor. The sensor can then be heated to raise its temperature, which can cause the sensor to change conductivity when it comes in contact with combustible gases or vapors. When the sensor cools down again, it returns to its original state and can be detected by a pair of biased electrodes within the device.

Stationary devices, typically installed on a wall or high up in a ceiling, can detect combustible and toxic gases as well as smoke from cigarette smoking or cooking. They can also include features such as a hard of hearing alarm that sounds a strobe light or vibration when triggered. These can be useful for workers who cannot hear an alarm, or for hard of hearing individuals whose sense of smell has declined over time.

“Does Rolex lose value with diamonds?” analysis the world over for its impeccable quality craftsmanship, boundary pushing engineering and the sense of accomplishment that comes with owning one of their watches. But this level of excellence doesn’t come cheap, with Rolex watches often costing thousands more than their retail price. So what exactly makes a Rolex so desirable that it can command such high resale prices?

As with any type of investment, the first factor that impacts a watch’s value is its materials. Gold and other precious metals add significant value to a watch, even more so than stainless steel. However, this does not mean that a stainless steel sports Rolex will not lose value over time, and it is important to note that when selling your pre-owned Rolex it will likely depreciate more than a new model.

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Another factor that affects a watch’s resale value is its provenance and rarity. For example, if a Rolex was previously owned by a celebrity that can significantly increase its overall market value. Additionally, having the original box and papers will also help boost a watch’s overall market value.

Another factor that can impact a Rolex’s resale value is any modifications or aftermarket additions that deviate from the original design of the watch. For example, adding diamonds to a Rolex that left the factory without them can dramatically devalue the watch as it will decrease its desirability and popularity. Additionally, any aftermarket additions can void Rolex’s warranty and may deter Rolex from servicing the watch in the future, so this is not something you want to do if you are looking for a long term investment.