You get accustomed to it, but you go home and people can smell it on you.

A human cannonball is someone whose job is to be fired out of a large gun called a cannon.

Sharks definitely have characters – they all behave differently and you can recognise them.

The next job we look at is as a member of the crew of a yacht.

Many flight attendants have a university degree but it isn't essential.

“It's usually ones with elaborate hairstyles that need work,” says Kinsey.

Shepherd creates farmyard smells, such as the smell of cows and manure.

Each model has a reference file with 400 photographs and measurements.

“Sharks definitely have characters,” Jeanette says firmly.

You need to be physically fit to be part of a yacht crew.

To be a flight attendant, you have to be willing to travel.

We work with sharks every day so we get to know them.

Where else can you work in London and scuba dive for a living? Ewart asks, grinning happily.

There are strict guidelines for aquarium diving.

“It's usually ones with elaborate hairstyles that need work,” says Kinsey.

Lately means within the recent past.

Richard Branson looks on, his eyes not moving.

Each model has a reference file with 400 photographs and measurements.

You have to watch their swim patterns and notice any changes.

You need to be physically fit to be part of a yacht crew.

What qualifications do you need to be a flight attendant?

Mark is referring to the smells he creates at the Jorvik Viking Centre in York.

Each model has a reference file with 400 photographs and measurements.

A machine heats the oil, releasing the smell.

Some people are more sensitive than others to the smells.

Jo puts the hair in the sink, uses the shower, then dries it.

There's always a stand-by diver in the tank in case something goes wrong.

The smell sticks to your clothes so that other people can smell it.

There are strict guidelines for aquarium diving.

There's always a stand-by diver and someone supervising from the edge.

George is the largest shark in the tank – she's the boss.

Jo has to check that all the models are undamaged.

Jo mustn't use a hot hairdryer because of the wax – it mustn't melt.

The sharks are healthy and well fed (they are fed three times a week).

To be a flight attendant, you have to be willing to travel.

You need to be physically fit to be part of a yacht crew.