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Using Confined Space Containers to Prevent Hazards Confined spaces are unique environments that can present numerous hazards. These include oxygen deficiency and toxic atmospheres. Since these areas are restricted and fenced off, they could also create problems with communication, accessibility and rescue. The best option is to avoid entering these areas unless it is absolutely necessary. Training If employees are working in tight areas, it is essential that they are trained to be aware of

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Bacterial flagellar subunits are exported across the cell membrane by the flagellar Type III Secretion System (fT3SS), powered by the proton motive force (pmf) and a specialized ATPase that enables the flagellar export gate to utilize the pmf electric potential (ΔΨ). Export gate activation is mediated by the ATPase stalk, FliJ, but how this process is regulated to prevent wasteful dissipation of pmf in the absence of subunit cargo is not known. Here, we show that FliJ activation of the export gate is regulated by flagellar export chapero