Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: May 2, 2025
When a sound is made, however, and the diaphragm set to vibrating, the mark of the style is not a simple scratch, but an impression varying in depth according to the diaphragm's vibration. And that is how the phonograph writes.
The air is drawn into the lungs by the action of the diaphragm, a great, strong, flat, sheet-like muscle, stretched across the chest, separating the chest-box from the abdomen. The diaphragm's action is almost as automatic as that of the heart, although it may be transformed into a semi-voluntary muscle by an effort of the will.
Word Of The Day
Others Looking