English to Polish Tech/Engineering Mechanics / Mech Engineering norma - combustible dust

Silos Without Deflagration Protection or Silos utilizing a Weak-Seam Roof for Deflagration Protection.

For silos containing combustible dusts, that are not currently deflagration protected, or where the deflagration protection is a “weak-seam roof” (regardless of whether the roof is tethered with cables), and where personnel access to the top of silo may be required, implement procedures that include