Yezzey@lemmy.ca to Ask Lemmy@lemmy.world · 3 天前What would a world look like if recycling reached 100%?message-squaremessage-square67fedilinkarrow-up191arrow-down17
arrow-up184arrow-down1message-squareWhat would a world look like if recycling reached 100%?Yezzey@lemmy.ca to Ask Lemmy@lemmy.world · 3 天前message-square67fedilink
minus-squareonslaught545@lemmy.ziplinkfedilinkarrow-up2·2 天前For metals, it’s pretty trivial to remove slag (contaminants) from the metal. Basically everything floats to the top and you can just scrape it off.
For metals, it’s pretty trivial to remove slag (contaminants) from the metal. Basically everything floats to the top and you can just scrape it off.