Correct the redundancy problems from the following
sentences. Try to make the sentences more concise. As the workday ended, the machine automatically shut down, its lights fading into darkness. Expressing his agreement, he nodded in a firm and decisive manner, showing his unwavering support. Filled with excitement, she couldn't contain herself and shouted loudly, her voice echoing through the canyon. With a powerful engine, the car accelerated quickly, effortlessly reachin high speeds on the open highway. Hand in hand, they walked silently along the moonlit beach, the sound of the waves providing soothing backdrop.