The boiler is cold.

The boiler was heavily scaled.

So this valve is called the Tricuspid valve.

And it passed through the valve here. So this valve is called the Mitral valve.

Civil Horizontal Valve

Safety safety first?

Just pull the valve!

Okay. Uh, valve release.

Turbine release valve, activated.

Turn of that valve.

One will be the tricuspid valve and the other the mitral valve.

I'm not going to leave them that boiler.

But before it goes it has to passed another valve. So this is a valve right here. Call it Pulmonary valve.

Safety?

We need a pressure valve.

I won't order coal for the boiler until next week.

The main valve is turned off.

Here you've got the aortic valve.

It's the pressure reg valve again.

This valve is a sonic trigger.

Surface compression of valve sensors, Captain.

Main valve on, main switch on.

For safety?

Safety first.

For safety.

Safety net

and he keeps trying to take me to the boiler room.

Until you reach the boiler room, where they stoke the fires

This is called a cycle valve tube.

Up here you have the pulmonary valve.

Check the safety.

Safety first, Shaun.

Safety deposit box.

Guarantee my safety.

And then the final valve, I need to find a nice spot to write it maybe to right here, this final valve that passes through is called the Aortic valve.

We can achieve safety for less cost because we're moving to passive safety rather than engineered safety.

You can see how the pulmonary and aortic valve are closed when the mitral and tricuspid valve are open.

Can I borrow a heart valve from you?

And this is how you make a valve.

The starboard transfer valve has been opened manually.

Remove the valve and follow our instructions precisely.

Now look for the emergency valve release sequence.

Think of models of terrorism, child kidnapping, airline safety, car safety.

Safety is an illusion.

So, safety is everything.