failure or breakdown of any essential service or appliance provided by a landlord or agent for hot water, water, cooking, heating, or laundering 由房东提供的日常重要服务货电器无法工作，例如热水器/天然气灶台/电磁炉灶台/取暖器/洗衣房 无法正常工作
failure or breakdown of the gas, electricity or water supply 煤气管道，电路，水管问题
any fault or damage in the premises that makes the premises unsafe or insecure 任何其他可能引起居住安全的问题，例如锁坏了，围墙破坏等
an appliance, fitting or fixture that is not working properly and causes a substantial amount of water to be wasted 任何可能由于设备损坏带来损耗或浪费的问题，例如水管漏水等
