Labial clarity

The mechanic

A meem carrying sukun before any letter other than ب and م is closed plainly with the lips and released, with no extra nasal hold — the lips need most care before و and ف, which are formed near the same place.

A place in the text

صِرَٰطَ ٱلَّذِينَ أَنۡعَمۡتَ عَلَيۡهِمۡ غَيۡرِ ٱلۡمَغۡضُوبِ عَلَيۡهِمۡ وَلَا ٱلضَّآلِّينَ

The marked spot was located in this ayah's own text at build time — Al-Fatihah 1:7.