Complex sentence: In By Machine, each team member had to take a turn driving a huge front loader to transfer enough gravel to cover a marked yellow line on a stick and the foreman would receive their next clue.
Split into simpler sentences: In By Machine, each team member had to take a turn driving a huge front loader, transfering gravel. When they moved enough gravel to cover a marked yellow line on a stick, a foreman would hand them the next clue.