What cultural faux pas should I try to avoid making in Tromso?

"When visiting Tromso, it is important to be mindful of the local customs and culture to avoid cultural faux pas. To begin, wearing rugged, outdoor clothing is an important part of the culture and fashion in Tromso, and wearing more formal clothing may make you stand out. Additionally, it is customary for greetings and general communication to be formal and courteous, so maintain a polite attitude when interacting with people. Because Tromso has a diverse and multicultural population, it is important to act respectfully towards others. Refrain from talking or making jokes about race, gender, or other sensitive topics, as well as using language offensive to the local population. Lastly, in Tromso, people pride themselves on their seamanship, so shouting or making loud noises unnecessarily should be avoided," mentioned another expat when asked about moving to Tromso, Norway.