Structural engineering involves designing and analyzing load-bearing structures to ensure they are safe, stable, and efficient. It covers buildings, bridges, and other infrastructures, focusing on withstanding environmental stresses and forces. This field combines physics and mathematics to optimize construction safety and materials use.

Naval architecture is the engineering of designing, building, and maintaining ships and marine structures, focusing on stability, seaworthiness, and efficiency. It covers everything from small boats to large ships and offshore platforms.

Mechanical engineering focuses on designing, manufacturing, and maintaining mechanical systems, blending physics and materials science. It spans from engines to robotics, crucial in industries like automotive, aerospace, and energy, driving technological innovation.

Piping engineering centers on designing and maintaining pipe systems for fluid and gas transport. It covers material selection, sizing, layout, and stress analysis, ensuring safety and efficiency. Key in oil, gas, chemical, power, and water industries, it integrates with other engineering disciplines for optimal system performance.

Electrical engineering involves designing and developing electrical systems and equipment, spanning from microchips to power generators. It encompasses power systems, electronics, control systems, and telecommunications, vital for innovation in sectors like transportation, healthcare, and robotics.

HVAC engineering deals with designing and maintaining systems for heating, ventilation, and air conditioning to ensure indoor comfort and air quality. It combines thermodynamics and fluid mechanics to ensure energy efficiency and environmental compliance in buildings.