Pipe content identification - Pipe content identification

Pipe content identification, Black

Pipe content identification, Blue

Pipe content identification, Brown

Pipe content identification, Green

Pipe content identification, Yellow ochre

Pipe content identification, Silver

Pipe content identification, Red

Pipe content identification, Violet

Pipe content identification, Yellow

Pipe content identification, Flow Arrows

Pipe content identification, HFC-227

Pipe content identification, IG 55

Pipe content identification, HFC-23

Pipe content identification, CO2

Pipe content identification, IG-541