A study reveals the environmental impact of Switzerland's historic watchmaking industry
good thing Tritium has a half-life of 11.2 yrs...this problem will diminish over time.
yep, though study est. is as long as 70 years in the worst parts of the river.
good thing Tritium has a half-life of 11.2 yrs...this problem will diminish over time.
yep, though study est. is as long as 70 years in the worst parts of the river.