| 摘要 |
<p>Areas of any size may be protected and consolidation of existing spaces may be achieved without special equip. The prefab. system is used for installing cellars, bunkers or shelters in existing bldgs or areas Various components, made of reinforced concrete, are rapidly and inexpensively assembled, and can be dismantled again. This applies also to steel, non-ferros metal or plastics surfaces admissible in load bearing structures. Rapidly accessible shelters for civilians can be easily provided, without skilled labour.</p> |
