Final answer:
Employers must ensure that structures can support workers safely by maintaining structural integrity through various reinforcement techniques.
Explanation:
Employers must ensure that all walking and working surfaces have the structural integrity to support workers safely. Structural integrity refers to the ability of the building's structure to withstand static and dynamic forces, ensuring the safety of individuals within. Examples of measures to enhance structural integrity include reinforcing buildings with steel or wood and designing structures to be highly ductile to absorb inertial forces.
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