Are the cables "food safe?"
Could installation work contaminate drinking water?
Z.
Are the cables "food safe?"
Could installation work contaminate drinking water?
Z.
That's not really a new idea either - see 1 min 15 seconds in to this clip from the 1955 film The Lady Killers. Note the use of the mallet to shake the airlock. Vaguely reminiscent of some plumbing when I was a kid, but even then I do not think it was quite that bad. (I'm not that old either )
The communication rather than power version is also alluded to in the far more recent film Paddington when the inmates in jail communicate by tapping on the pipes.
Mike.
That's not really a new idea either - see 1 min 15 seconds in to this clip from the 1955 film The Lady Killers. Note the use of the mallet to shake the airlock. Vaguely reminiscent of some plumbing when I was a kid, but even then I do not think it was quite that bad. (I'm not that old either )
The communication rather than power version is also alluded to in the far more recent film Paddington when the inmates in jail communicate by tapping on the pipes.
Mike.
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