Red shirts on the streets again?
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633
BREAKING NEWS Trump Confirms Surprise US Airstrikes on Iran’s Nuclear Sites, Including Fordo
With references to a damage assessment. -
232
Report Thailand to Reclassify Cannabis as Controlled Substance
Wasn't cannabis reported to "kill motivation"? Now it seems to motivate people to commit violence. Which is it to be? -
633
BREAKING NEWS Trump Confirms Surprise US Airstrikes on Iran’s Nuclear Sites, Including Fordo
The house defense committee has a duty of oversight and a right to examine intel evidence. -
41
According to my pulse oximeter, I should be dead :) Buy an oxygen concentrator?
RO for mixed gasses. OK. On Lazada you can buy one for 3300 or 42000. I bet the cheap one is fake. -
633
BREAKING NEWS Trump Confirms Surprise US Airstrikes on Iran’s Nuclear Sites, Including Fordo
Yeah, that's what every leftist media outlet is claiming, and every leftist is praying for. I know you guys are all atheists, but just in case... -
41
According to my pulse oximeter, I should be dead :) Buy an oxygen concentrator?
Its not really that complicated... It works through whats called a Pressure Swing Adsorption Process (PSA). Ambient air is compressed and forced into one zeolite-filled tower... Nitrogen is adsorbed onto the surface of the *zeolite under pressure. (*Zeolite is a microporous, aluminosilicate mineral... its like a sponge made of crystals. It has a strong natural affinity for nitrogen due to its surface structure and electrostatic properties). The remaining Oxygen (and other trace gases I listed earlier) pass through to the reservoir. Thus, ultimately, this is a Nitrogen removal process, rather than a Oxygen concentration process. Once the zeolite-filled tower is saturated with N2, it becomes ineffective, when pressure is reduced the N2 is vented to the atmosphere... and the cycle is repeated - usually by switching between two towers. Of course, scams could exist, and for such equipment it would be difficult to trust Lazada etc... sourcing from a reputable brand and re-seller / seller is obviously key.- 1
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