Some mining families resorted to scavenging for coal on slag heaps, a desperate move as most of the "slag" was very dangerous and liable to tip.

一些矿工家庭靠捡矿渣堆中的煤块解燃眉之急，这是一个绝望之举，因为大多数“矿渣”十分危险，极易倒塌。

youdao

Note, clearance of parasites is only the tip of the iceberg. An equally important task is to restore the human immune system, remove the slag, and prevent re-infection.

注意：寄生虫的清除只是冰山的一脚。最重要的任务是回复人体的免疫系统，移除废弃物以及预防再次感染。

youdao

The removal of non-metallic inclusion during remelting occurred mainly in stages of formation of dropets on the consumable electrode tip and dropets falling through the slag.

电渣重熔过程中非金属夹杂物的去除主要发生在自耗电极端头熔滴形成期以及熔滴滴落穿过熔渣层阶段。

youdao