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a. A cord that passes an intense flame along its length at a uniform rate
to light safety fuses in succession. BS, 12
b. Two types are manufactured: a fast cord having a nominal burning speed
of 1 s/ft (3.3 s/m) and a slow cord having a nominal burning speed of 10
s/ft (33 s/m). The burning speeds are reliable and consistent even under
adverse conditions, as, e.g., when burning underwater or in a direction
opposite to a strong wind. McAdam, 2
Source:
Dictionary of Mining, Mineral, and Related Terms
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