Mongolians use iron pans to brew salty milk tea, usually with cyan brick tea or black brick tea.

蒙古族喝的咸奶茶，用的多为青砖茶或黑砖茶，煮茶的器具是铁锅。

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At the back of Steven Smith Teamaker's ivy-covered brick Portland tea salon is a blending room, or "lab, " with long metal tables and teapots.

WSJ: Steven Smith, Teamaker: The All-Star Alchemist of Top-Shelf Tea | Creating