Portland and Roman cement mortars must be mixed as required on account of their quick-setting properties.
It is still in use, though only for special purposes where a quick-setting material is required.
These castings are as sharp as electrotypes, whether made of soft fluid iron or of hard, quick-setting metal.
In bricklaying with quick-setting cements an ample use of water is of even more importance.
In the limekilns, oyster shells glowed white-hot and changed into fine quality, quick-setting lime.
