technical improvements made to or the redesign of mercury-added products that were being manufactured prior to 1 January 2018 provided that such improvements or redesign lead to less mercury being used in those products.
feabhsuithe teicniúla nó athdhearadh ar tháirgí ar cuireadh mearcair leo a bhí á monarú roimh 1 Eanáir 2018, agus, ar choinníoll go dtiocfaidh de na feabhsuithe nó den athdhearadh sin níos lú mearcair a bheith in úsáid sna táirgí sin.