Huisarts de
More ideas from Huisarts
Mild zoutwater elektrolyse - Zoutwater elektrolyse voor zwembaden - zoutelectrolyse - chloorarm

The importance of salt in nature/chemistry

http://snotes.com/snotes/ss.php?snoteId=58c40875acc989.73695547

http://snotes.com/snotes/ss.php?snoteId=58c40875acc989.73695547