3.1. In this process, using the terms, definition in TCVN 4244-2005.
3.2. Annual inspection: means the periodic assessment activity for the technical state of the testing objects in accordance with the provisions of internal rule and technical processes, technical standards during the course of use.
3.3. First testing: means the assessment activity for the technical state of the testing objects in accordance with the provisions of technical processes, technical standards on occupational safety when the object is installed for the first use.
3.4. Periodic testing: means the assessment activity for the technical state of the testing objects in accordance with the provisions of technical processes, technical standards on occupational safety periodically at the request in the testing result vote.
3.5. Irregular testing: means the assessment activity for the technical state of the testing objects in accordance with the provisions of technical processes, technical standards on occupational safety when the testing object getting troubles, incidents or major overhaul.