Work measurement refers to:
Work measurement is a process used to determine the length of time it takes to complete a work task assigned to a specific job. It involves analyzing and evaluating the various elements involved in the task in order to establish an accurate estimate of the time required for its completion.

Factors considered in work measurement:
1. Task complexity: The complexity of the task plays a crucial role in determining the time required for its completion. More complex tasks may require more time and effort compared to simpler ones.

2. Physical and mental effort: The physical and mental effort involved in performing the task is another important factor to consider. Tasks that require more physical exertion or mental concentration may take longer to complete.

3. Equipment and tools: The type and quality of equipment and tools used in performing the task can impact the time required for completion. Efficient and well-maintained equipment can help in reducing the overall time taken.

4. Workplace layout: The arrangement of machines, workstations, and other resources in the workplace can affect the efficiency of the task. Proper organization and layout can help in minimizing unnecessary movement and reducing the time required to complete the task.

5. Work methods: The methods and techniques employed in performing the task can significantly impact its duration. Streamlining and optimizing work methods can help in improving efficiency and reducing the time required.

Importance of work measurement:
1. Productivity improvement: Work measurement provides valuable insights into the time required to complete a task, which can help in identifying bottlenecks and inefficiencies. This information can be used to implement measures to improve productivity.

2. Resource allocation: Accurate work measurement allows for better resource planning and allocation. It helps in determining the optimal number of workers and machines required to meet production targets.

3. Standardization: Work measurement enables the establishment of standardized time norms for various tasks. This allows for consistent performance evaluation, fair wages, and effective production planning.

4. Cost control: By accurately estimating the time required for completion, work measurement helps in controlling labor costs. It allows for better budgeting and cost forecasting.

5. Process improvement: Work measurement provides valuable data for identifying areas of improvement in work methods, equipment, and layout. This information can be used to implement process improvements and increase overall efficiency.

In conclusion, work measurement refers to the determination of the time required to complete a work task assigned to a specific job. It involves considering various factors such as task complexity, physical and mental effort, equipment and tools, workplace layout, and work methods. Work measurement is important for productivity improvement, resource allocation, standardization, cost control, and process improvement.