This report analyzes a business law case involving tort law, specifically focusing on the principles of contributory negligence and duty of care. The case involves a power-drilling machine manufactured by MacTools Ltd., and the subsequent injury of a user, Aurora, who used the machine without following instructions. The analysis applies relevant legal precedents, including Donoghue v. Stevenson and Astley v. Austrust Limited, to determine the liabilities of the company and the user. The report concludes that the manufacturing company is partially liable for damages due to a breach of the duty of care, while the user's contributory negligence also limits the potential compensation. The report also touches upon product liability and the responsibilities of manufacturers to ensure the safety of their products and the importance of providing adequate instructions for use.