| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| joyofsoy | "Many companies do "bore" holes before they start mining. One requirement in the state of WI is that those bore holes be sealed so that contaminants..." | Read more » | over 4 years ago | |||
| joyofsoy | "My limited understanding: looking for “veins” is done with a digger not by blasting. One seeks sand close to the surface where it’s easier to dig...." | Read more » | over 4 years ago | |||
| joyofsoy | "Just an update: I shared this question with our Midwest mailing list and received some very helpful responses, which is included in the thread below. " | Read more » | over 4 years ago | |||
| caliweed | "Buy Rare Genetikz Online, Rare Genetikz Weed for sale, Buy Rare Genetikz Cali Weed online, Where to buy Rare Genetikz Weed online, Rare Genetikz Ca..." | Read more » | over 4 years ago | |||
| maxliboiron | "Hi Stevie, We usually deploy for half an hour. Anything less than that and its not much of a representative sample. That's in relatively steady flo..." | Read more » | over 4 years ago | |||
| kgradow1 | "I've had success using giant graph paper to do simple models of movement over time. For instance, modeling wildfire mitigation: run as a timed ac..." | Read more » | over 4 years ago | |||
| liz | "Thank you for finding this out @Joe! Very helpful. " | Read more » | over 4 years ago | |||
| joyofsoy | "I'd usually agree with you @liz, but I found some more research on the site, and in this case there's a mix of limestone, quartz, and other materia..." | Read more » | over 4 years ago | |||
| liz | "Hi @engineerjaykumar, thanks for offering a thought toward this question. "Frac" sand is a kind of sand used for "hydrofracking," the extraction of..." | Read more » | over 4 years ago | |||
| Engineerjaykumar | "I think this frac sand mine in western Wisconsin want quarry the rocks for the manufacture of cement, because as demand of the cement for concrete ..." | Read more » | over 4 years ago | |||
| Engineerjaykumar | "The expert view is so interesting. " | Read more » | over 4 years ago | |||
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| joyofsoy | "Yes, I figured that was the case but wanted to make sure that person's response was captured here. Have you seen these longer masks that go down t..." | Read more » | over 4 years ago | |||
| nshapiro | "Thank you very much! The concern is less about reach around the head and more about the tightness of fit. This study shows that healthcare workers..." | Read more » | over 4 years ago | |||
| joyofsoy | "Shared this on Twitter and received some replies. The reply-by-tweet function didn't share the images properly in the comments above. Not the best..." | Read more » | over 4 years ago | |||
| silentsairam | "PublicLab Not the best of my pencil sketch, but something like this might help. Increase the thread size, so that it can be tied across the back of..." | Read more » | over 4 years ago | |||
| silentsairam | "PublicLab 1. It should be bigger than usual size. 2. Big elastic thread , so that it can be tied over the turban easily. " | Read more » | over 4 years ago | |||
| Engineerjaykumar | "We breathe in 20,000 breaths each day, according to the American Lung Association, 90 percent of which occur indoors. The air inside of our homes i..." | Read more » | over 4 years ago | |||
| mimiss | "One place to start might be monitoring the levels of particulate matter in your home. You could compare sensors across rooms to see if there are an..." | Read more » | over 4 years ago | |||
| Ag8n | "Safety first. The problems you describe could be caused by a furnace not working correctly and generating carbon monoxide. Please get a carbon mo..." | Read more » | over 4 years ago | |||
| cryptoadventure | "This might be helpful to all https://cryptoadventure.org " | Read more » | over 4 years ago | |||
| nshapiro | "Hmm maybe that link was more for the respirator type you are talking about. but the risk reduction part still holds :) " | Read more » | over 4 years ago | |||
| nshapiro | "Thanks, Bronwen! I think its also for the filtering masks too, no? like this CDC facial hair mask from the CDC has been circulating and not related..." | Read more » | over 4 years ago | |||
| Bronwen | "Oh, this group might be helpful too: https://freethemall4publichealth.org/ " | Read more » | over 4 years ago |