The plant also penetrates and loosens compacted soils. Compacted or disturbed soils can be improved in various ways. It does particularly well in compacted or disturbed soils. Black locust does not do well on compacted, clayey or eroded soils. Soils tend to become compacted over time. The powders are subsequently compacted to pellets and sintered. Sedimentary rock is formed from the accumulation of sediment that becomes buried and compacted together. Soils with a high clay content are also easily compacted and affected by man-made discharges. In addition, foundation soils are often compacted to improve their engineering properties. In addition, the soil becomes compacted by the trampling of livestock. Such glazes are generated by sintering a compacted oxide layer. Trails are paths that lead to jumps made of heavily compacted dirt. The prepreg material is compacted by nylon or polypropylene cello tape. The roadbed must be "proof rolled" after each layer of fill is compacted. It was then smelted in special furnaces made of compacted earth mixed with straw.