- Class L – Dust representing a moderate risk – The vacuum cleaner filter traps over 99 % of dust with a grain size of under 2 microns
- Class M – Dust representing a medium risk – The vacuum cleaner filter traps over 99.9 % of dust with a grain size of under 2 microns
- Class H – Dust representing a high risk – The vacuum cleaner filter traps over 99.995 % of dust with a grain size of under 1 micron. This includes carcinogenic dusts and dusts contaminated with carcinogens and/or pathogens.



Kaden3757 says
The Beatles – легендарная британская рок-группа, сформированная в 1960 году в Ливерпуле. Их музыка стала символом эпохи и оказала огромное влияние на мировую культуру. Среди их лучших песен: “Hey Jude”, “Let It Be”, “Yesterday”, “Come Together”, “Here Comes the Sun”, “A Day in the Life”, “Something”, “Eleanor Rigby” и многие другие. Их творчество отличается мелодичностью, глубиной текстов и экспериментами в звуке, что сделало их одной из самых влиятельных групп в истории музыки. Музыка 2024 года слушать онлайн и скачать бесплатно mp3.
Facebook Downloader says
Hi Neat post There is a problem along with your website in internet explorer would test this IE still is the market chief and a good section of other folks will pass over your magnificent writing due to this problem
binance says
I don’t think the title of your article matches the content lol. Just kidding, mainly because I had some doubts after reading the article.