What are the specific Rummikub rules that players must follow in order to earn 30 points during gameplay?

In Rummikub, players can earn 30 points by placing tiles on the table in valid sets or runs totaling 30 or more points. Sets are groups of tiles with the same number in different colors, while runs are sequences of consecutive numbers in the same color. Players must follow the rules of the game to ensure that the sets and runs they create are valid and meet the point requirements.