MIL-HDBK-1005/9A
j) Protect other instruments and electrical equipment
that may be exposed to a corrosive environment. Locate control
consoles, panel-boards, and transformers within a closed and
vented control room out of any corrosive atmosphere.
k) Concrete tanks or sewers exposed to corrosive
materials should be constructed of acid-resistant concrete or
provided with suitable liners.
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