- Prepare and test cement, concrete, and raw materials for physical and chemical properties. - Perform tests such as setting time, compressive strength, fineness, consistency, and soundness. - Operate and maintain laboratory equipment - Record and analyze data, compare results with standards (ISO), and report findings. - Ensure samples are labeled and stored correctly. - Calibrate laboratory instruments regularly to ensure accuracy. - Maintain clean and safe lab working conditions, following safety and environmental regulations. - Support research, development, and troubleshooting activities as needed.