What refers specifically to the tools used by the employee in a job?

The correct answer identifies a specific set of items that are essential for an employee to perform their job effectively. "Machine, Tools, Equipment, and Work Aids" encompasses all physical objects and supports that an employee can utilize to complete tasks related to their job role. This definition aligns with the concept of job analysis, which involves examining the skills, knowledge, and tools needed for a position.

The other options refer to different concepts within human resource management. Planning the job analysis involves determining how the analysis will be conducted rather than focusing on the actual tools required. Performance standards relate to the measures of success and outcomes expected from job functions, rather than the tools used to achieve those goals. Human requirements pertain to the skills and characteristics individuals need to perform a job but do not specifically address the physical tools or aids necessary for executing job tasks.