Acrylnitrile-butadiene rubber (usually designated nitrile rubber)

See Nitrile-butadiene-rubber

Butadiene-acrylonitrile copolymer rubber, a material with good oil and chemical resistance.

Abbreviation for Net Borrowing Requirement.

Net Borrowing Requirement. The total amount to be borrowed by the Government through the issuance of Bills of Exchange and Bonds to meet Government expenditure for a specific period.

Net Borrowing Requirement. The total amount the Government needs to borrow through the issue of bonds and Bills of Exchange to meet its expenses for a specific duration.

North British Railway

Normal Background Radiation

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