Introduction. Heavy metals are defined as metallic elements that have a relatively high density compared to water [ 1 ]. With the assumption that heaviness and toxicity are inter-related, heavy metals also include metalloids, such as arsenic, that are able to induce toxicity at low level of exposure [ 2 ].
Last modified on Thu 22 Feb 2018 05.58 EST. Originally published in Eight by Eight magazine. England in the 1970s and early ’80s was a grim, violent, angry, lean, ambitious, stimulating place vJUB0a.
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  • když k nám pÅ™ijel heavy metal