Slag, dross, ferrous waste and scrap Tenders, Smelting furnaces Tenders, Spectrometers Tenders, Analysers Tenders, Microscopes Tenders, Ion and molecular microscopes Tenders, Monocular and/or binocular light compound microscopes Tenders, Laboratory distillation apparatus Tenders, Construction of furnaces Tenders, Installation services of furnaces Tenders