1. Development of castings
2. The precision of mold design, processing and production and the use of mold materials
3. Shrinkage of raw materials for castings
4. Establishment and implementation of casting process
1. Development of castings
2. The precision of mold design, processing and production and the use of mold materials
3. Shrinkage of raw materials for castings
4. Establishment and implementation of casting process
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