Ultrasonic level sensors are used for non-contact level sensing of highly viscous liquids, as well as bulk solids.
Level 42 | High-level programming language | The Spirit Level: Why More Equal Societies Almost Always Do Better | Sensor | prefecture-level city | Low-level programming language | Active pixel sensor | sensor | Hall effect sensor | Split Level | Low Level Owl | High Level Bridge | Fermi level | Birmingham Snow Hill to Wolverhampton Low Level Line | Twelve Level Cap and Rank System | The Beatnuts: Street Level | Scalp Level, Pennsylvania | Prefecture-level city | 'O' Level | Multi-level marketing | multi-level marketing | Level Platforms | Level-5 | high-level programming language | High-level design | County-level city | county-level city | College Level Examination Program | Automotive Safety Integrity Level | Verwey hall from the Grote Houtstraat looking north. The street level is in use by shops and a restaurant, and the upper levels are accessible from the entrance near the Vleeshal. Along the top of the facade are the words "Modern Art" and the more famous names in Haarlem Modern art |