MyLeoNes™

The line on the hull — Shipbuilders · The Makers

At the invented Saltport harbour, shipwright Nuno shows Leo a strange mark painted on a cargo ship: a circle with a line, and a ladder of lines next to it.

Your task

Is each sentence true or false?

• The load line, or Plimsoll mark, shows how deep a ship may sit in the water when loaded. Ships float a little higher in salty sea water than in fresh river water, because salt water is denser, so there are different lines.
• Invented guild stories to learn from. Never try fire, hot metal, glass, blades or power tools on your own: crafts like these are learned with a trained adult.
• Every craft came from many people in many places. Nothing about you is collected.

Score

• Craft knowledge — You understood how this craft works.
• Making it well — You put the steps in a sensible order and used the right tools.
• Care for people & planet — You kept people safe and used materials wisely.

In real life

The mark is named after Samuel Plimsoll, a British MP who campaigned against dangerously overloaded ships. The UK made load lines law in 1876, and today they are set by an international convention (1966).

The guild stories are invented, to learn from. Fire, heat, blades and tools are only for trained adults: learn these crafts with a trained adult, never at home. Nothing about you is collected; progress stays on this device.

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