This assimilation occurs after a stressed syllable, or at the end of a word.

The result of this is that consecutive stressed syllables do not occur.

A stress clash can occur when two stressed syllables are too close to each other.

It occurs only in stressed syllables, always with a final stop.

There is no change of tone for a stressed syllable.

In the quoted section, the stressed syllables have been underlined.

It refers to a line ending in a stressed syllable.

What are the characteristics of stressed syllables that enable us to identify them?

The stressed syllable is slightly longer and has a falling tone.

For example, French long vowels always occur on stressed syllables.