Prismatic face and inferior face two kinds, inferior the mask has prevent slippery function, suit pave more at closet ground, smooth face mosaic is multi-purpose the pave at metope.

• 分光面和亚面两种，亚面具有防滑功能，更适合铺砌于洗手间地面，光面马赛克多用于墙面的铺砌。