此装置结构简单、性能稳定、使用方便安全、便于推广。
The device has simple structure, stable performance, convenient and safe use and easy promotion.
本装置结构简单、重量轻、成本低，使用方便安全、效率高、节能。
The utility model has the advantages of simple device, light weight, low cost, safe and convenient operation, high efficiency, and energy saving.
虽然它使用方便看似好事，但这带来了严重的安全问题。
While this seems like a good thing from an ease of use perspective, this raises serious security issues.
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