Contamination on wires
Dust on wires sparkle in the light
Fluff on cell 4 ground wire - 11cm
Fluff on cell 5 anode wire - 60cm
Fluff on cell 4 anode wire - 130cm
Discolouration on cell 7 anode wire - 129cm
Pitmarks visible on pick-up rings
Close-up of pitmarks
Very fine carbon-like deposit on inside of tube
Something dripped from the gas inlet pipe!
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