Complementing this building code, which is still in force, is the discouragement of heavy industry in Jerusalem; only about 2.2% of Jerusalem's land is zoned for "industry and infrastructure."
为了保护该市独特的宗教圣地，耶路撒冷不准许发展重工业；而且耶路撒冷只有大约2.2%的土地用于工业和基础设施。