# MineARC Systems > MineARC Systems is global leader in controlled environments and safety technologies for underground mining, tunnel, chemical processing, and biotech industries\. Generated by Yoast SEO v27.9, this is an llms.txt file, meant for consumption by LLMs. ## Pages - [Careers](https://minearc.com/about-us/careers/) - [Brands](https://minearc.com/brands/) - [Emergency Response Products](https://minearc.com/products/emergency-response-products/) - [Contact](https://minearc.com/contact/) - [Careers\-t](https://minearc.com/careers-t/) ## Posts - [Refuge Chamber Scrubber Chemicals: Free Pour vs\. Cartridge](https://minearc.com/refuge-chamber-scrubber-chemical-free-pour-vs-cartridge/): Refuge chamber scrubber chemical work by removing undesired gases from the air using chemical reactions\. - [Breathable Air in a Refuge Chamber: Oxygen, Carbon Dioxide, Carbon Monoxide](https://minearc.com/breathable-air-in-a-refuge-chamber/): Breathable air inside a refuge chamber is air that can support life, has enough oxygen in its mix, and doesn’t contain contaminants\.\.\. - [Oxygen Supply to Emergency Safe Refuge Chambers](https://minearc.com/oxygen-supply-to-emergency-refuge-chambers/): Oxygen levels within an emergency safe refuge chamber will quickly be consumed without an additional source and redundancies\. - [Airtight Environment In A Refuge Chamber](https://minearc.com/airtight-environment-in-a-refuge-chamber/): The primary control over the internal environment of a refuge chamber to ensure it can preserve life is that it is hermetically sealed, or air tight\. - [What is a Refuge Chamber?](https://minearc.com/what-is-a-refuge-chamber-refuge-bay/): A refuge chamber, also known as refuge station, is a sealed environment, built to sustain life during an emergency or hazardous situation\. ## Optional - [Sitemap index](https://minearc.com/sitemap_index.xml)