Glossary

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Laitance :

spotting or residue of weak, non-durable material consisting of cement, aggregate, fines or impurities brought to the surface of overwet concrete by bleeding water. These can be cleaned with special products.

Laying by 45° cross joints
Laying straight bands, alternating half joints
Limestone :

sedimentary rock principally composed of calcium carbonate, abundantly comprising the rock base of France.  

Limestone mud :

a mix of water, used to cool stone blocks ias they are being sawn, and limestone powder resulting from the sawing process. Occasionally, filtered, this mud is collected and used as a component for cement or mortar.

 

Liner with mitred cut
Liners and Cabochons