Doctors do ................to help people feel better., operations, factories, The robot arm moved very .................during the surgery., factories, accurately, They want to ...................their robot design by adding sensors., advance, factories, Many toys are made in large ..............with machines., advance, factories, To build better machines, engineers must ................their ideas., advance, operation, In hospitals, it’s important to work ...............to avoid mistakes., advance, accurately, Big ...............produce hundreds of products every day., operation, factories, . The patient felt better after the successful ..............., operation, factories.

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