Changes
/* Safety */
Docs:
* Iron(III) chloride / Perchlorure de fer : '''(de)''' [http://www1.produktinfo.conrad.com/datenblaetter/525000-549999/528722-si-01-de-EISEN_3_CHLORID.pdf Sicherheitsdatenblatt] '''(fr)''' [http://www1.produktinfo.conrad.com/datenblaetter/525000-549999/528722-si-01-fr-fichesecurite.pdf Fiche de sécurité]
*Stop using Ferric Chloride etchant : [[http://www.instructables.com/id/Stop-using-Ferric-Chloride-etchant!--A-better-etc/On instructables]]
== Schedule ==
