![a-large-crane-with-heavy-weight-is-used-as-a-large-rammer-and-reduces-the-number-of-voids-between-the-soil-particles-and-increases-the-dry-density-of-the-soil](https://videocdn.cdnpk.net/joy/content/video/premium/partners0503/thumbnails/BB_527d6d17-40a0-42ee-ac49-5704b2913c7a_small.jpg)
a large crane with heavy weight is used as a large rammer and reduces the number of voids between the soil particles and increases the dry density of the soil
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