tiukkana
I’m not finding a widely documented topic named "tiukkana" in available sources. It could be a Finnish word, a place, a surname, a product, or a fictional term. Could you specify which sense you have in mind or provide a bit of context (for example, the field it relates to, the country, or any source you’re drawing from)? Once I have the intended meaning, I can draft a concise, neutral wiki-style article (under 300 words) tailored to that sense.