2. Ссылочные документы. C117 Test Method for Materials Finer than 75-m (No. 200) Sieve in Mineral Aggregates by Washing. C123/C123M Test Method for Lightweight Particles in Aggregate. C125 Terminology Relating to Concrete and Concrete Aggregates. C131/C131M Test Method for Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine