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Glossary Papakupu

Explanations of abbreviations and acronyms.

    Z

    Zero Harm
    KiwiRail’s health, safety and environment department
    Zero porosity
    The ratio of the open area to the closed area in fabric. Graded as high, low or zero, porosity indicates the ability of the canopy material to allow air to pass through it. Zero-porosity fabric is treated to obtain that grade
    Zero-porosity
    This indicates the fabric’s ability to allow air to pass through it. Porosity is the ratio of the open area to the closed area in fabric. Graded as high, low or zero, porosity indicates the ability of the canopy material to allow air to pass through it. Zero-porosity fabric is treated to obtain that grade.