| Consisting of a grid of iris diaphragms, the facade's surface has changing apertures. |
| These iris diaphragms are made from tempered and blackened steel leaves mounted in a metal ring. |
| Honey, pepper, and even animal dung were tried as spermicides or diaphragms. |
| These smooth action iris diaphragms are all fabricated in black anodized corrosion resistant frames containing spring-steel leaves. |
| Weathered specimens can also break along the segmental boundaries and expose additional structures, the so-called segmental diaphragms. |
| The cars are semi-permanently connected by drawbars instead of couplers, so the noise of banging buffer plates and diaphragms is eliminated. |
