Word Association

[AmericanThunder]

Panel - pin

 

[chris68coupe]

pin - cushion

 

[AmericanThunder]

Cushion - air

 

[TransAmDan]

air - balloon

 

[AmericanThunder]

Balloon - zeppelin

 

[Stephen CA]

Zeppelin - Led

 

[Will]

LED - light

 

[TransAmDan]

Light - beam

 

[chris68coupe]

beam - girder

 

[AmericanThunder]

Girder - structural

 

[Stephen CA]

Structural - Engineer

 

[AmericanThunder]

Engineer - aircraft

 

[TransAmDan]

aircraft - carrier

 

[AmericanThunder]

Carrier - pigeon

 

[Stephen CA]

Pigeon - English

 

[TransAmDan]

English - Language

 

[AmericanThunder]

Language - barrier

 

[chris68coupe]

barrier - flood

 

[AmericanThunder]

Flood - gate

 

[TransAmDan]

gate - logic

(many logic gates in a ZX81, many more in more advanced processors)