If a retainer is not worn for 1-2 weeks, there may be some minor shifting of the teeth, especially if the retainer was previously worn consistently. It is important to wear the retainer as prescribed by the orthodontist to maintain the alignment of the teeth. If the retainer cannot be worn for a short period of time, it is important to communicate with the orthodontist to discuss the best course of action to prevent any significant shifting of the teeth. **

Olaplex No. 1 and No. 2 are professional salon-only products that are typically used as part of the Olaplex system, which also includes No. 3, the at-home treatment. While No. 1 and No. 2 are designed to be used in conjunction with No. 3, they can still be effective on their own in a salon setting when used by a professional. However, for best results and to maintain the integrity of the hair, it is recommended to also use No. 3 as part of the Olaplex system for at-home maintenance. **

While "Tschüss" is still commonly used in Germany and other German-speaking countries to say goodbye, some people argue that it is becoming less contemporary, especially among younger generations. This is because more informal and casual phrases like "Ciao" or "Bis später" are gaining popularity. However, "Tschüss" is still widely understood and accepted, so whether it is considered contemporary may vary depending on the context and the individuals involved. **

Fireworks are still considered contemporary as they continue to be used in celebrations and events around the world. While there is growing concern about their environmental impact and potential harm to wildlife, efforts are being made to develop more environmentally friendly fireworks. Additionally, advancements in technology have led to the creation of new and innovative types of fireworks, ensuring that they remain a relevant and contemporary form of entertainment. **

It depends on the dress code and overall style of the school. If the school has a more formal dress code, then the blazer may be appropriate. However, if the school has a more casual dress code, the blazer may be considered too elegant-chic. It's important to consider the school's guidelines and the overall atmosphere before deciding whether the blazer is suitable for school. **

Germany's Public Enemy No. 1 is considered to be far-right extremism and neo-Nazism. These groups promote hate, racism, and violence, posing a significant threat to the country's social cohesion and security. The German government has taken measures to combat these extremist ideologies through law enforcement, education, and social programs to prevent radicalization. **

It is called Despair No. 1 because it is the first in a series of works that explore the theme of despair. The artist may have chosen to number their works in order to create a cohesive series that can be easily identified and distinguished from other works. Additionally, the use of "No. 1" may suggest that there are more works in the series, each exploring different aspects of despair. **

Many traditional practices and customs have become outdated and are no longer considered contemporary. For example, arranged marriages, gender-specific roles, and certain religious rituals are no longer widely accepted in modern society. Additionally, traditional forms of communication such as sending letters or using landline phones have been replaced by more modern methods like emails and smartphones. Overall, as society evolves, certain traditions that do not align with current values and beliefs tend to fade away. **