walk or fall true

[frankie_goes_to_hollywood]

prevent walk or fall true and subsequent injuries - предотвратить ........ и последующие травмы?

This means that so-called heavy locks must be used. All glazing below 800 mm above finished floor to be security glass to prevent walk or fall true and subsequent injuries as well as other specific areas as required by local standards. All windows as shown on the façade drawing to be provided with external sun blinds made out of aluminium slats, manually operated. The ZTA for the glass + the blinds shall be less than 15%.

заранее спасибо

[10-4]

true относится к injury