Black powder reaches a smooth consistency.

黑火藥達到光滑的濃度。

They mix it with water to create a slurry.

他們將其與水混合，形成泥漿。

The amount of black carbon in the mix determines the shade of the cement.

混合物中黑碳的數量決定了水泥的色澤。

Too much water and the tile won't hold together too little can ruin the pattern.

太多的水，瓷磚將無法固定在一起，太少的水會破壞圖案。

Every design has its own metal stencil.

每個設計都有自己的金屬模版。

Workers pour the slurry into the voids.

工人將泥漿倒入空隙。

One of the hardest parts is to get crisp lines and then they add the backing layer that also has carbon.

最難的部分之一是獲得清晰的線條，然後他們添加了也有碳的背襯層。

The first layer is more for the aesthetics and the pattern that really comes out.

第一層更多的是為了美學和真正的圖案。

The back layer is frustrating the factories.

後面的一層是讓工廠感到沮喪的。

Only hydraulic press squeezes the tile into shape and helps it set the firmed up tiles still need to strengthen through a process called water curing.

只有液壓機將瓷磚擠壓成型，並幫助它定型，定型後的瓷磚仍然需要通過一個叫做水固化的過程來加強。

That means they get hosed down every day for nearly a month, cement tiles require a lot of extra polishing even after they're put in place.

這意味著它們在近一個月的時間裡每天都要被沖洗，水泥磚甚至在鋪上後還需要大量的額外拋光。