Possible Clues:

• Courage of the artillery
• Internal pumper
• Try tinnie at the front - it's Courage
• Gift from the Wizard of Oz that's really a clock
• What the Tin Woodman sought from the Wizard of Oz
• It beats the name of a prison in Midlothian!
• Centre of earth in high temperature core
• Warm up recipe held in centre
• Over time judge shows compassion
• One is forever beating male craft