To sort bottles according to color and match three of the same color for collection, follow these steps:
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Identify and Group Bottles by Color: Start by examining each bottle and grouping them by their color. Place all the red bottles together, all the blue bottles together, and so on.
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Match Three Bottles: Once you have the bottles grouped by color, select three bottles of the same color to form a set. For example, if you have five red bottles, you can create one set of three red bottles and leave two red bottles aside.
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Place Sets in Boxes: After you have matched three bottles of the same color, place this set into a designated box. Each box should only contain one set of three bottles of the same color.
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Repeat the Process: Continue sorting through the remaining bottles, matching three of the same color, and placing each set into a new box until you have sorted all the bottles.
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Collect the Boxes: Once the boxes are filled with sets of three bottles of the same color, they will be carried away for collection.
By following these steps, you will efficiently sort and collect the bottles according to the specified criteria.