Well, no, because consumables are things that run out, not things that are
destroyed during use. Toner and ink are consumables, since they have an
effect ie printing.
Rechargeable batteries are kind of sacrificial as they do kind of give up
like dry cells.
I suppose in this case tyres soles of shoes are also sacrificial.
However hay is not as it creates something else when its eaten.
Brian

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"Rod Speed" wrote in message
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"Brian Gaff (Sofa 2)" wrote in message
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I'm sure we have all heard of the sacrificial lamb, but I don't think
that is what Bill means.

How about those shotgun cartridges in some seat belts that go bang and
lock the belt. I was in a vehicle when one of those went off.
Then there are air bags in cars, You wont get them back in for a second
use will you? Other parts of a car that crumple to avoid passing on the
energy to the occupants. Lower stages of conventional rockets that are
not retrieved. Heat shields on the capsules.

Spray booth paiint that you can just peel off and re apply.

Vacuum cleaner bags?

Candle wax on candles.

Those last few are more consumables.

"Rod Speed" wrote in message
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Bill Wright wrote
I was trying to think of all the sacrificial things. Sacrificial anodes
on ships, yes. But... how about the face of a wooden mallet? Because
the reason it's wood is because steel would be too hard. Because the
wood is softer it's more likely to get damaged.

Stretching a point?

Yep, particularly with plastic headed mallets etc.
A wooden gramophone needle, which wears out quickly but doesn't damage
the shellac?

Lots of stuff wears out, like car tyres.
Can anyone think of sacrificial things?

Human sacrifice.