Case T-519/18: Judgment of the General Court of 30 June 2021 — Global Silicones Council and Others v ECHA (REACH — Establishment of a list of substances identified for eventual inclusion in Annex XIV to Regulation (EC) No 1907/2006 — Entry of octamethylcyclotetrasiloxane (D4), decamethylcyclopentasiloxane (D5) and dodecamethylcyclohexsiloxane (D6) in that list — Articles 57 and 59 of Regulation No 1907/2006 — Annex XIII to Regulation No 1907/2006 — Weight-of-evidence determination — Manifest error of assessment — Proportionality)