Trade · 6 pages · 12 min

How a tanker is a specialized bottle

On a tanker the hull itself is the container, built as tanks for one liquid cargo system.

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From the opening

A tanker does not carry liquid in separate barrels stacked in a hold; the ship's tanks are the bottle. Coatings, pumps, pipes, and inert-gas systems are arranged so a particular family of liquids can be loaded, carried, and discharged safely. The opening covers the tanks are the package, grades stay in separate systems, and inert gas sits over oil cargo.

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Inside

  • The tanks are the package
  • Grades stay in separate systems
  • Inert gas sits over oil cargo
  • Not every liquid fits the coating
  • Where the idea stops applying
  • A distinction worth keeping

Sources

  • Oil tanker cargo tanks
  • Inert gas and segregated ballast