Screening buckets are indeed a useful addition to mini excavators in various construction projects and in gardening and landscaping. They offer a variety of benefits and uses, including:

1. Demolition work: Sieving buckets can be used to sort demolition waste and separate valuable materials such as metal or wood from waste. This contributes to efficient disposal.
2. Gardening and landscaping: When designing gardens and landscapes, sieving buckets can help sift the soil and remove stones and impurities, improving the quality of the soil and the Promotes plant growth.
3. Civil engineering and road construction: Screening buckets are useful for sifting and sorting materials such as sand, gravel and crushed stone to prepare them for construction projects such as roads and foundations.
4. Material Breakdown: They can be used to break down brittle materials, making handling and recycling easier.
5. Substrate Mixing: Sieving buckets allow mixing different materials to create specific soil compositions or substrates to suit the needs of the project.
6. Soil preparation: In agriculture and horticulture, sieving buckets can be used to prepare the soil by removing stones and impurities.
7. Compost aeration: Sifting spoons are helpful for aerating compost piles and making it easier to mix materials, which speeds up the decomposition process.

The sturdy grid struts in your screening buckets are important to ensure they can withstand the demands of construction and landscaping. Overall, screening buckets are a versatile and efficient equipment addition to mini excavators that can be used in various construction projects and applications.