Including after you have taken out of solid ironstone, you can also do these.
包括以后你采铁矿出的坚固的石头,也可以做这些。
2
Just as raising temperature can change the properties of iron and other metals, early humans heated stone to make it easier to flake.
正如给铁和其他金属加温以改变其属性,早期人类通过给石头加温,使之更容易被制作成石片。
3
A long belvedere stretched from its far side and rounded back toward an iron glasshouse, then to another cluster of olden stone buildings, each topped with orange-tiled roofs.