The oil shale can be used as construction materials, such as high grade cement filler, light concrete bone material-pottery grain and light brick materials, etc.

油页岩渣可用作建筑材料，如高档水泥填料、轻质混凝土骨料陶粒及轻质砖材料等；

youdao

The tall and wide buildings still look distinctly Victorian from the exterior, with light-coloured brick and red-roofed spires.

BBC: Reinventing a Michigan mental hospital

There was a white fireplace in which hooks of orange light leaped silently from wood to blackened brick.

NEWYORKER: Ziggurat

He strides quickly along the cemetery's narrow brick pathways, darting in and out of the low light and natural shadows.

WSJ: A Midnight Dreary for Those Who Seek Tell-Tale Signs of Poe's Elusive 'Toaster'