| Subject | English | Italian |
| comp., MS | accounts payable three-way invoice matching | abbinamento fatture contabilità fornitori a tre livelli (A practice of matching vendor invoice prices and product quantities to purchase orders and product receipts) |
| environ., mech.eng. | closed loop three-way catalytic converter | convertitore catalitico a tre vie a circuito chiuso,controllato da sonda lambda |
| transp., industr. | closed-loop three-way catalyst | convertitore catalitico a circuito chiuso a tre vie |
| transp., environ. | closed-loop three-way catalytic converter | convertitore catalitico a tre vie ad anello chiuso |
| transp., mech.eng. | oxidation or three-way catalyst | marmitta catalitica a tre vie |
| transp. | three divided highways within one right of way | strada a 3 carreggiate separate |
| met. | three way bit | scalpello a tre lame |
| met. | three way cock | rubinetto a tre vie |
| agric. | three way tipping trailer | rimorchio ribaltabile su tre lati |
| agric. | three-way bagging attachment | triplice bocca d'insaccatura |
| commun., IT | three-way calling | chiamata a tre vie |
| transp., mech.eng. | three-way catalyser | catalizzatore trivalente |
| environ. | three-way catalyser | convertitore catalitico a tre vie |
| transp., industr. | three-way catalyst | convertitore catalitico a circuito chiuso a tre vie |
| transp., mech.eng. | three-way catalytic converter | catalizzatore trivalente |
| environ. | three-way catalytic converter | convertitore catalitico a tre vie |
| transp., industr. | three-way catalytic convertor | marmitta catalitica a tre vie |
| transp., industr. | three-way catalytic convertor | catalizzatore a tre vie |
| mech.eng. | three-way cock | valvola a tre vie |
| mech.eng. | three-way cock | rubinetto a tre vie |
| transp., industr. | three-way converter | marmitta catalitica a tre vie |
| transp., industr. | three-way converter | catalizzatore a tre vie |
| mater.sc. | three-way corner | angolo a tre vie |
| med. | three-way-cross hybrid | ibrido a tre vie |
| commun., IT | three-way internal conference call | conversazione telefonica collettiva interna a tre vie |
| transp., construct. | three-way intersection | incrocio a tre vie |
| el. | three-way light switch | commutatore deviatore |
| comp., MS | three-way matching policy | criteri di abbinamento a tre elementi di verifica (A matching policy that requires one or more vendor invoice prices to match with one or more purchase order prices and that requires one or more vendor invoice quantities to match with one or more product receipt quantities) |
| gen. | three-way partnership | compartecipazione triangolare |
| mech.eng. | three-way pipe | tubo a croce |
| mech.eng. | three-way pipe | braga |
| mech.eng. | three-way restrictor | limitatore a tre vie |
| mech.eng. | three-way selector | selettore a tre vie |
| mech.eng. | three-way stopcock | valvola a tre vie |
| mech.eng. | three-way stopcock | rubinetto a tre vie |
| mech.eng. | three-way tap | valvola a tre vie |
| mech.eng. | three-way tap | rubinetto a tre vie |
| construct. | three-way tipper | ribaltabile trilaterale |
| transp. | three-way tipping trailer | rimorchio ribaltabile sui tre lati |
| nat.sc., agric. | three-way tipping 4-wheeled trailer | rimorchio triribaltabile |
| tax., food.ind. | three-way transaction | operazione triangolare |
| mech.eng. | three-way valve | valvola a tre vie |
| mech.eng. | three-way valve | rubinetto a tre vie |
| mech.eng. | truck designed to carry out three-way stacking | carrello progettato per l'impilamento su tre fronti |