down - duct
- down ender
- downstream
- downstream aluminum products
- downstream business units vs. upstream business units
- downstream operations
- downstream plants
- draft / pressure drop / depression / underpressure / vacuum
- drain slag (verb)
- drain slag (verb)
- drained electrolyzer
- drained pot to be removed for relining
- drained/wettable cathode
- draught air
- drawing (deep drawing)
- drawing (deep drawing)
- drier (air drier )