Here is a goal: To iron on the patch to the sleeve,

Which way makes more sense to accomplish this goal?

Available choices: (1). put the sleeve with the placed patch on the ironing board, and press the iron set to high gently on the patch for 30 seconds.. (2). put the sleeve with the placed patch on the ironing board, and press the iron set to high gently on the patch for 30 minutes..
(1).