English translation: well blocks or seating blocks
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Explanation: I assume this the translation for this item.
giovie72 United States Local time: 08:50 Native speaker of: English, Italian
Notes to answerer
Asker: thanks for taking the time to answer Giovanna, but a literal translation won't do. The field is specific to refractory materials, and there seems to be no reference to chairs or chair carriers ;-) I'm waiting to hear from my customer, it might be a typo.