Meaning: Membranous structure that functions as the circulatory system in mammal embryos until the heart becomes functional. Classified under: Nouns denoting animals. Synonyms: umbilical vesicle; vesicula umbilicus; vitelline sac; yolk sac. Hypernyms (vesicula umbilicus is a kind of...): sac (a structure resembling a bag in an animal)
electric fan; blower. Hypernyms (blower is a kind of...): fan (a device for creating a current of air by movement of a surface or surfaces) Meronyms (parts of blower): electric motor (a motor that converts electricity to mechanical work) fan blade (blade of a rotating fan)
Soot blowers are installed to blow away these soot deposits. Steam is normally used as a medium for blowing away the soot. The operation of the soot blowers goes like this: 1. Steam is channeled to the soot blower pipeline.2. The operator of the soot blower will open a drain valve. to drain off any water in the steam.oot blowers are installed to blow away these soot deposits. Steam is normally used as a medium for blowing away the soot. The operation of the soot blowers goes like this: 1. Steam is channeled to the soot blower pipeline. 2.