| 摘要 |
Precast plastic or fiberglass landscape border building units that can be filled with substances such as water and/or other filling materials, and used as yard edging and fence, around trees, bushes, plants, and on lawns. The units are light and easy to move and/or carry, and, once assembled, are weighed down by filling materials to avoid ground movement. The units can be plain, hollow pieces in various shapes and colors. The units can also have protrusions and grooves that allow several pieces to be connected, assembled or stacked together using the protrusions or grooves. In addition, the units can have certain carved-out patterns or designs that allow plants to grow within the units.
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