| 摘要 |
The present invention provides a method of charging at least one container, such as a tube, with an energetic material. The method comprises the step of reducing a pressure of a fluid in an interior portion of the or each container. The method also comprises the step of positioning the energetic material at a position that is exterior to the or each container and at which a pressure is higher than in the interior portion of the or each container in a manner such that a suction results which sucks the energetic material into the interior portion of the or each container and thereby charges the or each container with the energetic material.
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