What are the best techniques for using an oscillating tool grout blade to efficiently remove grout from tiles?

To efficiently remove grout from tiles using an oscillating tool grout blade, the best techniques include holding the tool at a slight angle, applying gentle pressure, and moving the blade in a back-and-forth motion. It is important to work slowly and steadily to avoid damaging the tiles. Additionally, wearing safety goggles and a dust mask is recommended to protect yourself from debris.