what are the necessry mechinaries for quarry industry?

The necessary machinery for a quarry industry depends on the type of quarry and the nature of the materials being extracted. However, some common machinery and equipment typically used in a quarry may include:

1. Excavators: These are heavy machines used to dig out the raw materials, such as rocks, sand, and gravel, from the quarry.

2. Loaders: These are large machines used to move the extracted materials from the quarry to a transport vehicle or storage area.

3. Haul trucks: These are large trucks used to transport the extracted materials from the quarry to a processing or storage facility.

4. Crushers: These are machines used to break down the raw materials into smaller sizes for processing.

5. Screening equipment: This is used to separate the raw materials by size and remove any unwanted materials.

6. Conveyors: These are used to transport the materials from one processing stage to another.

7. Drilling equipment: This is used to create holes in the rock or other materials to facilitate blasting or other extraction methods.

8. Blasting equipment: This is used to break up large rock formations or other materials to make them easier to extract.

9. Water trucks: These are used to control dust and clean the quarry site.

10. Maintenance and repair equipment: This includes a wide variety of tools and machines used to maintain and repair the quarry equipment.

The specific machinery needed for a quarry will depend on factors such as the size of the operation, the type of materials being extracted, the processing methods used, and the location and topography of the site.