The face shield was divided into three regions: orbital (O-region), Paraorbital (P-region) and Mask (M-region).
面罩由三个部分组成：遮盖眼睛、眼眶周围和面部区域。
2
The volcano's Pu 'u 'o 'o crater collapsed on Saturday, and a 0.33-mile-long (0.5-kilometer-long) fissure ripped open on a separate region of the volcano.
上周六，火山的Pu ' u ' o ' o火山口崩裂，并且在一个分离的区域撕开了一条0.5公里长的裂缝。
3
The Alps potentiometers for volume control are marvelously smooth and noise free, allowing a very gradual increase in sound levels even in the 7-10 o 'clock region.