Possible Clues:

• Brewer falsifying report about drink
• Coffee-making machine
• In every rota going round, insert colonel as coffee-maker
• Coffee machine
• Provider of coffee, porter, rum includes another drink
• Reported bonus, a more recent type of coffee machine
• Forward or circulating, drink coffee I make
• Each high spot should contain a soft-drink filter machine
• Where one may find grounds for removal