Ground screw
1. Kurumidza kuisirwa: Kugadzira screw-muEcreatation nzira, kupfupisa nguva yekuvakwa pasina kudikanwa kwekushandisa kongiri kana kuomarara.
2. Kugadzikana kwepamusoro
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5. Kugadzikana: ngura-chiratidzo chinovhiringidza inosimbisa kushandiswa kwenguva refu mumamiriro ekunze ekunze.