separation of concerns
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Aside from size, there are two other big categories that you could use to define a keyboard: ergonomic and mechanical. Ergonomic keyboards are designed with, you guessed it, better ergonomics in mind, taking into account where you should position your fingers, hands and forearms to maintain proper posture. Separately, mechanical keyboards use mechanical switches (of which there are many types) that differ greatly from the membrane or scissor-switch keyboards you’ll find dominating most wired and wireless options widely available today. We have guides to the best ergonomic keyboards and best mechanical keyboards, but we’ll summarize what you need to know about both here.
第一百一十七条 行李发生明显损坏的，旅客应当按照下列规定向承运人或者承运人的受雇人、代理人提交书面通知：，更多细节参见电影