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)
Unplug blower power cord from wall outlet.Step 3. Disconnect vent system from exhaust adapter on top of blower.Step 4. Remove exhaust adapter from blower (blade screw driver) and retain for use on new blowerStep 5. Unplug cord sets from blower.Step 6. Remove the three blower mounting screws(Â¼ nut driver).Step 7.