6.6.2.6.4 For a lined shell, the internal stop valve required by 6.6.2.6.3.1 may be replaced by an additional external stop valve.

So the valves at the bottom of those tubes there are like radio controlled airplane valves.

6.6.2.5.2 All openings in the shell, intended for filling or discharging the portable tank shall be fitted with a manually operated stop valve located as close to the shell as reasonably practicable.

(a) an external stop valve fitted as close to the shell as reasonably practicable and

(b) an external stop valve fitted as close to the shell as reasonably practicable and

No stop valve shall be installed between the shell and the pressure relief devices except when duplicate devices are provided for maintenance or other reasons and the stop valves serving the devices actually in use are locked open or the stop valves are interlocked so that the requirements of 6.6.4.7 are always fulfilled.

6.6.3.5.3 For filling and discharge openings the first shut off device shall be an internal stop valve and the second shall be a stop valve placed in an accessible position on each discharge and filling pipe.

Shut off valves shall be closed after filling and remain closed during transport.

Fuel cell cartridge means a container that stores fuel for discharge into fuel cell powered equipment through a valve(s) that controls the discharge of fuel into such equipment and is free of electric charge generating components.

For other stop valves the position (open and closed) and direction of closure shall be clearly indicated.

For other stop valves the position (open or closed) and direction of closure shall be clearly indicated.

In the case of other stop valves the position (open and closed) and direction of closure shall be clearly indicated.

Monitor Uninterruptible power supply

No stop valve shall be installed between the shell and the pressure relief devices except where duplicate devices are provided for maintenance or other reasons and the stop valves serving the devices actually in use are locked open or the stop valves are interlocked so that at least one of the duplicate devices is always in use.

All stop valves shall be designed to prevent unintentional opening.

6.6.3.5.2 All openings with a diameter of more than 1.5 mm in shells of portable tanks, except openings for pressure relief devices, inspection openings and closed bleed holes, shall be fitted with at least three mutually independent shut off devices in series, the first being an internal stop valve, excess flow valve or equivalent device, the second being an external stop valve and the third being a blank flange or equivalent device.

Remote closure devices and self closing stop valves shall be operated to demonstrate proper operation

The seacocks are the valves to drain out the boat.

No stop valve shall be installed between the shell and the pressure relief devices except when duplicate devices are provided for maintenance or other reasons and the stop valves serving the devices actually in use are locked open or the stop valves are interlocked so that at least one of the duplicate devices is always operable and capable of meeting the requirements of 6.6.3.8.

Lead acid battery for UPS

All stop valves with screwed spindles shall close by a clockwise motion of the handwheel.

All stop valves with a screwed spindle shall be closed by a clockwise motion of the handwheel.

I've been cut off.

Hangs Up

These telegrams of protest...

An officer...

UPS, 600 VA

UPS, 400 VA

Cut the electricity.

UPS, 1250 VA and battery pack

You're breaking up. Say again.

Sea...

Power's off.

Severing any wire causes a power cut

The dragoon, you mean?

You forgot to disconnect the wires!

Cylinder head valve grinder

Valves and tubes

Throttle set.

Cut your throttle.

Open your throttle another crack.

Communication and electricity power are still disrupted.

UPS 2 kVA

UPS 600 VA

Uninterrupted power supply Ethernet router