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Subject:

睇下呢段文字

Author:
人一個

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Date Posted: 13:20:15 04/18/03 Fri
In reply to: 世衛 's message, "政府,學校要我地戴口罩之作用" on 06:06:19 04/18/03 Fri

我o係一個台灣網站抄出黎o既一段文字：
「既然我們無法跟所有人保持二公尺以上的安全距離，那麼我們是不是可以把病人的口鼻封起來，這樣含有病毒的飛沫就會出不來？我們是不是也可以把自己的口鼻封起來，這樣含有病毒的飛沫就進不來？但是我們一般所用的口罩，防護的效果並不好。這些口罩可以檔掉大體積的顆粒，但是無法檔掉很多更小的飛沫顆粒。曾經有人在帶了口罩以後，用力打噴嚏，然後在極快速的快門條件下，用照相機把打噴嚏的情景拍攝下來。洗出來的照片顯示，很多小小的飛沫的確可以穿透一般的口罩。」

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Replies:

[> [> [> [> [> [> [> [> [> [> Subject: 同意，但……
Author: 公仔佬 [ Edit \| View ]	Date Posted: 08:40:39 04/19/03 Sat 1. 如果不戴口罩，則不需要極速快門，也能用照相機把打噴嚏的情景拍攝下來。相信洗出來的照片，可顯示很多大大的飛沫。 2. 我們平時說話的威力，相信沒有「用力打噴嚏」那麼強大吧！