The document outlines several unethical practices that can occur in various functional areas of a company such as production, purchasing, quality control, and research and development. Some examples given include using substandard materials, prioritizing costs over safety, accepting bribes or gifts from suppliers, failing to address quality issues, plagiarizing the work of others, and putting personal gains above the interests of the company. Upholding high ethical standards is important across all business functions to ensure the integrity and success of the organization.