delta metal
(archaic) Contraction of thou art.
A brass alloy consisting of copper (55%), zinc (41-43%) and iron (1-3%), with the balance consisting of various other metals. The proportions used make the material harder and suitable for valves and bearings.
Up to one's ankles in something.
Not variegated.
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DiQt（ディクト）
無料
★★★★★★★★★★
