top | item 42915360 (no title) wwarek | 1 year ago Covered nicely by Tom Scott some time ago: https://youtu.be/i0RkEs3Xwf0 discuss order hn newest klausa|1 year ago Weirdly enough that's about a completely different water treatment plant in a different part of the country. jakozaur|1 year ago Several Polish cities got that systems. It may sound unusual, but it is pragmatic system.Poland during cold war was suppose to be battleground and protecting water supply is hard. Many traditional systems have some gaps.
klausa|1 year ago Weirdly enough that's about a completely different water treatment plant in a different part of the country. jakozaur|1 year ago Several Polish cities got that systems. It may sound unusual, but it is pragmatic system.Poland during cold war was suppose to be battleground and protecting water supply is hard. Many traditional systems have some gaps.
jakozaur|1 year ago Several Polish cities got that systems. It may sound unusual, but it is pragmatic system.Poland during cold war was suppose to be battleground and protecting water supply is hard. Many traditional systems have some gaps.
klausa|1 year ago
jakozaur|1 year ago
Poland during cold war was suppose to be battleground and protecting water supply is hard. Many traditional systems have some gaps.