Usually resistance is encountered by electrons while flowing through a conductor.
Tornadoes
The last time encountered a brick wall, I knocked myself unconscious. The last time I encountered a cloud of helium, I walked right through it. So you will have to explain what, exactly, you mean by 'strong.'
duodenum
There is not a reason why you encountered a typhoon. Typhoons are a natural encounter that can happen out of no where.
There are more than 3 categories.
the problem is getting home
Suddenly, we encountered the lunch lady.
The year 1999 was not much different from today (2010) in terms of the hazards that could be encountered.
It can be, as in encountered obstacles. Encountered is the past tense and past participle of the verb to encounter, and is usually a verb.
they encountered tons of bears and fish. and even deer. and they also encountered the batman
He encountered icebergs bad weather they ran out of food.
If he could speak, and if he realised what he had encountered, and if he was very polite, he may have said "Dam!"
sources of errors encountered in measurment
Able to solve new questions (not previously encountered). Able to learn from previous experience.
It was his smell. Smaug had never encountered a hobbit before. He did not recognize the smell of him, but could tell that he had been with the dwarves.
Elpenor was encountered by Odysseus in the underworld.