Answer:
(i) In this technique, first an image was made of wax which was covered with clay and allowed to dry.
(ii) Then it was heated, and a tiny hole was made in the clay cover. The molten wax was drained out through this hole and molten metal was poured into the clay mould through the hole.
(iii) When the metal cooled and solidified, the clay cover was removed and the image was cleaned and polished
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