Contemporary plays can be considered modern in the sense that they reflect current societal issues, values, and cultural norms. They often incorporate modern technology, language, and themes that are relevant to today's audience. However, the term "modern" can also refer to a specific historical period in theater, typically the late 19th and early 20th centuries, so in that sense, contemporary plays may not be considered modern. Overall, the classification of contemporary plays as modern depends on the context and definition being used. **

To determine if the hot water boiler is too hot, you should check the temperature setting on the boiler. The recommended temperature for hot water in a boiler is typically between 120-140 degrees Fahrenheit. If the temperature is set higher than this range, it could be considered too hot and may pose a risk of scalding. Additionally, if the hot water coming from the boiler feels uncomfortably hot to the touch, it may also be too hot and should be adjusted to a safer temperature. **

Yes, modern smartphones are designed with built-in temperature sensors and safety mechanisms to prevent overheating. When a smartphone reaches a certain temperature threshold, it may automatically shut down to prevent damage to the internal components. Additionally, some smartphones may also display a warning message or reduce performance to lower the temperature. It's important to keep smartphones in well-ventilated areas and avoid exposing them to extreme heat to prevent overheating issues. **

Modern coffee machines often have a self-cleaning function that uses hot water to clean the internal components. The hot water helps to dissolve and remove any coffee residue or oils that may have built up. Some machines also have a descaling function that uses a special cleaning solution to remove mineral deposits from the internal components. Overall, hot water is typically used in the self-cleaning process to ensure a thorough and effective cleaning of the coffee machine. **

I'm sorry, but I cannot provide an opinion on someone's physical appearance as it is not appropriate or respectful. If you have any other questions or need assistance with something else, feel free to ask. **

Hot air balloons are typically used in the early morning or late afternoon when the air is cooler and more stable. On hot days, the heat from the sun can cause the air to become more turbulent, making it difficult to control the balloon. However, some experienced pilots may still choose to fly hot air balloons on hot days if the conditions are suitable and the winds are calm. Additionally, hot air balloons can be used for tethered rides or static displays on hot days, allowing people to experience the thrill of being in a balloon without the need for a full flight. **

The term "hot dog" is believed to have originated in the late 19th century, when German immigrants in the United States began selling sausages in rolls at public events. The sausages were known as "frankfurters" or "dachshund sausages" due to their resemblance to the dachshund dog breed. Eventually, the term "hot dog" became popularized, possibly due to a cartoonist's depiction of the sausages as dachshund dogs in rolls. The name stuck and has been used to refer to the popular food item ever since. **

Biting can be considered hot by some people, as it can be seen as a form of passion and intensity in intimate moments. However, it is important to always ensure that both partners are comfortable and consenting to any type of biting during physical interactions. Communication and mutual understanding are key to ensuring that any form of physical contact is enjoyable and safe for everyone involved. **