Assertion: windmill's blade | /r/HasProperty | replaced
Facets:
value: rarely
type: DEGREE
value: closer together
type: OTHER
Source sentences:
text: However, large, heavy components like generator, gearbox, blades, and so on are rarely replaced, and a heavy lift external crane is needed in those cases.
text: You will notice that some windmills have several shorter blades being placed closer together while a standard power generating windmills normally use three long and slender types of blades.
text: However, large, heavy components like generator, gearbox, blades, and so on are rarely replaced, and a heavy lift external crane is needed in those cases.