| 摘要 |
An underground storm shelter comprising a bottom section, expander section and a top section bolted together to form the shelter. The base section has a closed bottom while the top section has an access hatch formed in the upper end thereof. The base section, expander section and top section are bolted together at the installation site. The walls of the base section and the top section are tapered to enable the base section and the top section to be nested during shipment. The expander section may be slipped over the top section.
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