👉 Maintained engineering refers to the ongoing process of preserving, upgrading, and optimizing existing infrastructure, systems, and technologies to ensure their continued functionality, safety, and efficiency over time. This involves regular inspections, timely repairs, upgrades to meet new standards or technological advancements, and implementing preventive maintenance strategies to avoid unexpected failures. In essence, maintained engineering aims to extend the lifespan of assets, minimize downtime, reduce costs associated with replacements or overhauls, and ensure that systems operate reliably and effectively. It is a critical aspect of sustainable infrastructure management, balancing the need for innovation with the practical realities of resource constraints and operational continuity.