Surah Al-Waqi'ah 56:16

مُّتَّكِـِٔينَ عَلَيْهَا مُتَقَـٰبِلِينَ

Reclining on them, facing each other.

Translation: Saheeh International

Tafsir

reclining on them face to face muttaki’īna ‘alayhā mutaqābilīna constitute two circumstantial qualifiers referring to the subject person of the predicate ‘they’.

Excerpt from Tafsir al-Jalalayn, commentary on 56:16, via Quran.com. The reader has the full commentary and 9 more tafsirs.