法国《科学与生活》杂志一九七七年六月号刊载了题为《防尘帽》的报道。全文如下: 防止空气中的灰尘,这在许多工业部门是个严重的问题。直到现在,只有一般的呼吸面罩。这种面罩相当不方便,以致还要带安全帽和防护眼镜。英国煤矿安全研究中心的防尘机构发明了一种防尘呼吸器——防尘帽。其优点是这种面具重量不到一公斤,而且能清除空气中百分之九十的灰尘和烟雾,完全保护了人的头部、脸部 French journal Science and Life published a report entitled “Dust Cap” in June 1977. The full text is as follows: Preventing dust in the air is a serious problem in many industrial sectors. Until now, only the general breathing mask. This mask is quite inconvenient, so even with helmets and safety goggles. British Coal Mine Safety Research Institute dust invented a dust-proof respirator - dust cap. The advantage is that this mask weighs less than one kilogram, and can clear the air 90% of the dust and smoke completely protect the human head, face