Complex sentence: The idol is used as a candle and the Ark is used as a grill.While Henry Jones Sr. (using the Holy Grail as a cup) clinks glasses with Mutt's cup.
Split into simpler sentences: The Idol is used as a candle holder and the Ark is used as a grill. And Henry Jones Sr. (using the Holy Grail as a cup) toasts glasses with Mutt's cup.