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Why does boarding order change the queue inside a plane?

The queue outside an aircraft is only one queue. Inside, someone stowing a bag can block the aisle while someone taking a window seat can make an entire row stand up.

4–6 min

Questions you could explore

  • Which delays can happen at the same time, and which force other passengers to wait?

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Cities and transport

What happens to water before it reaches the tap?

Clear-looking water and drinking water are not necessarily the same thing. In Uisce Éireann's representative surface-water process, clarification, filtration, and disinfection deal with different parts of the treatment problem.

4–5 min

What happens to water before it reaches the tap?

Cities and transport4–5 minClear-looking water and drinking water are not necessarily the same thing. In Uisce Éireann's representative surface-water process, clarification, filtration, and disinfection deal with different parts of the treatment problem.

Cities and transport

What do the two parts of an Eircode tell you?

Ireland's seven-character address code combines a routing key with a unique identifier. The operator's public example, A65 F4E2, shows how a shared first part and an individual second part do different jobs.

2–3 min

What do the two parts of an Eircode tell you?

Cities and transport2–3 minIreland's seven-character address code combines a routing key with a unique identifier. The operator's public example, A65 F4E2, shows how a shared first part and an individual second part do different jobs.

Cities and transport

How does a canal lock lift a boat without lifting machinery?

A boat inside a lock rises when the water around it rises. By filling or emptying the enclosed chamber, a conventional lock brings the boat to the level of the next stretch of canal. The gates contain the water; they do not hoist the boat.

3–5 min

How does a canal lock lift a boat without lifting machinery?

Cities and transport3–5 minA boat inside a lock rises when the water around it rises. By filling or emptying the enclosed chamber, a conventional lock brings the boat to the level of the next stretch of canal. The gates contain the water; they do not hoist the boat.

Why does boarding order change the queue inside a plane? | Speech Topic | speaking.app