A mailing list is a collection of names and addresses used by an individual or an organization to send material to multiple recipients. The term is often extended to include the people subscribed to such a list, so the group of subscribers is referred to as the mailing list, or simply the list.
Answer Wiki. The inventor of the modern push-up, according to SOPHIA-FIT, was Jerick Revilla, who came up with the exercise technique in 1905. The Roman emperor Constantine has also been credited with creating this form of exercise.
Push-pull circuits are widely used in many amplifier output stages. A pair of audion tubes connected in pushâpull is described in Edwin H. Colpitts' US patent 1137384 granted in 1915, although the patent does not specifically claim the pushâpull connection.