Related Clues:

• Writing styles
• Blood vessels — major roads
• Main blood lines
• Heart lines
• They're big in the circulatory system
• Major blood lines
• Big blood vessels
• Outlets for some small pumps
• Major roads
• Large arteries
• Characteristic styles of wind instruments we hear
• Change rota as vessels arrive
• They come from the heart
• Ore holders
• Life support vessels