Each measure addresses specific vulnerabilities that buildings might face during seismic events. When combined, these measures create a holistic system that offers the best protection against earthquake-induced damages. Here's a more detailed breakdown of how they work together:

1. **Reinforcing with Steel**: Steel reinforcements improve a building's ductility, enabling it to deform without breaking under seismic forces. When combined with other systems like moment-resisting frames or shear walls, the result is a structure that can flex and absorb energy without collapsing.

2. **Shear Walls**: Shear walls counteract the lateral (side-to-side) forces generated by earthquakes. When buildings sway during earthquakes, the shear walls act as stiff spines, distributing the forces throughout the structure. If combined with steel reinforcements, these walls can handle even more significant loads without failure.

3. **Moment-Resisting Frames**: Like a skeleton, these frames help maintain a building's shape during sways. By allowing beams and columns to bend without breaking, they distribute the forces throughout the structure, complementing the function of shear walls.

4. **Base Isolation**: While the previously mentioned measures focus on making the building more ductile and capable of withstanding forces, base isolation works on a different principle. By isolating the structure from ground movement, the seismic forces that reach the building are significantly reduced. This method can be highly effective, especially when combined with the inherent strength and flexibility of reinforced structures.

5. **Ductile Materials**: These materials ensure that the building can deform under pressure without reaching a breaking point. They work in tandem with other structural systems to provide additional "give" and "flexibility," thereby reducing the chances of catastrophic failure.

6. **Redundancy**: By using multiple structural elements to support loads, the risk of complete collapse is minimized. If one element fails, others can pick up the slack. This principle works well with other techniques. For instance, a building with redundant systems and reinforced with steel is more resilient than one just using either measure alone.

7. **Seismic Codes**: These codes are a cumulative representation of best practices and lessons learned from past earthquakes. By adhering to them, builders ensure that all the above measures are implemented effectively and in conjunction. 

8. **Site Selection, Quality Materials, and Regular Maintenance**: These non-structural measures complement the structural measures. A well-selected site can dramatically reduce a building's exposure to seismic risks. High-quality materials ensure the longevity and performance of structural measures, while regular maintenance ensures that the building's protective measures remain effective throughout its life.

In conclusion, while each measure is effective on its own, their combined use creates a synergy that results in buildings with the highest possible resistance to earthquakes. This multi-faceted approach ensures that buildings not only remain standing after seismic events but also protect their inhabitants from injury.
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