| Glossary Word | | Glossary Description | | |
| Jack Operator | | Transport products and materials in-house using a floor jack. |
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| Jettison | | Act of throwing cargo or equipments (jetsam) overboard when a ship is in danger. |
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| JIT | | JIT means \"Just In Time\". In this method of inventory control, warehousing are minimal or non-existents; the container is the movable warehouse and must arrive \"just in time;\" not too early or too late.
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| Joint Rate | | Rates applicable from a point on one transportation line to a point on another line made by agreements and published in a single tariff by all transportation line over which the rate applies. |
