Taiwan’s tear gas mask stocks running out
Demand from Hong Kong protesters and civilians fearing tear gas sees supplies run low in Taipei.
Almost all stocks of the masks and filters have been depleted at 3M’s distributors in Hong Kong.
Demand from Hong Kong protesters and civilians fearing tear gas sees supplies run low in Taipei.
Almost all stocks of the masks and filters have been depleted at 3M’s distributors in Hong Kong.
Bushfires are part of life in Australia. These fires can produce vast amounts of smoke, off-gases and ash and there is a need to consider the most appropriate ways of providing respiratory protection for those exposed to these contaminants.
Fire decomposes or breaks down materials. The composition of these breakdown products will vary depending on:
Smoke is defined in AS/NZS1715:1994 as "particles of low vapour pressure suspended in the air. Smoke is made from the solid and liquid products of combustion. Smoke particles settle slowly under gravity. Normally, the combustion process that produces smoke also produces gases".
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