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[translated paragraph 4] ``` Let's do a precise alignment check of headings: Source headings: - `§ ` (just the symbol and space, followed by the intro paragraph) - `§ What Does “Rotatable Head” Actually Mean for IPL?` - `§ Why 6 Heads? Do I Really Need All of Them?` - `§ Is the AOJ920 Safe? CE, UKCA, and FCC Explained` Chinese equivalents: - `§ ` - `§ “可旋转头部”对 IPL 来说到底意味着什么？` - `§ 为什么有 6 个灯头？我真的需要全部吗？` - `§ AOJ920 安全吗？CE、UKCA 和 FCC 解释` Let's check the text again to ensure no missing details. "The AOJ920 is steadily becoming..." -> "AOJ920 正在稳步成为..." "Between the rotating head design and the six included attachments..." -> "在旋转头部设计和随附的六个配件之间..." "This FAQ covers the questions buyers across the US and Canada actually ask..." -> "本常见问题解答涵盖了美国和加拿大买家实际提出的问题..." Let's refine the translation of paragraph 4 (Safety): "Wi-Fi routers, smart home hubs, or medical equipment" -> "Wi-Fi 路由器、智能家居集线器或医疗设备" "When shopping on Amazon, Walmart, or a brand site, always check the product listing for a mention of “FCC tested” or “FCC compliant.”" -> "在亚马逊、沃尔玛或品牌网站上购物时，请务必在产品列表中查找“经过 FCC 测试”或“符合 FCC 标准”的字样。" "That simple label gives you a baseline level of electrical safety assurance." -> "这个简单的标签为您提供了基本水平的电气安全保证。" "Beyond certifications, remember that IPL is not suitable for every skin tone. The AOJ920, like most at-home IPLs, works best on lighter skin with darker hair because the light targets melanin. Always review the included skin" -> "除了认证之外，请记住 IPL 并不适合每种肤色。与大多数家用 IPL 一样，AOJ920 在较浅皮肤搭配较深毛发时效果最佳，因为光线会瞄准黑色素。始终查看随附的皮肤" Everything looks solid and accurately translated. I will output only the requested format