Each has its form, and the difference between them is the difference between deus ex machina and deus machina est.
Besides this, the term machina we know is almost constantly used by Virgil himself as a synonyme for this horse, as in the line Scandit fatalis machina muros, &c.
The Rakshasa is the great Deus exmachina of folk-lore.
Richard of Wallingford wrote also a treatise on this clock, “Ne tam insignis machina vilesceret errore monachorum, aut incognito structuræ ordine silesceret.
These signs of poverty would have passed unobserved by us, had we not in coming to anchor swung between her moorings and the Machina wharf.
Such thoughts wore not to be profaned by the companionship of Tommy and Monsieur, so I slipped away, hailed a cab and alighted at the Machina wharf.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "machina" in a variety of sentences. We hope that you will now be able to make sentences using this word.