WESTWARD EXPANSION INDUSTRIALIZATION URBANIZATION 1870 1900
WESTWARD EXPANSION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
a device for making hot fire
|
|
an old fashioned pair of shoes
|
|
the metal with which the blacksmith formed horse shoes
|
|
an old fashioned skirt worn by pioneer women
|
Detailed explanation-1: -A bellows is a bag-like device with handles that’s used to blow air onto a fire to keep the flame burning. If you have a fireplace in your house, you might have a bellows too. The kind of bellows that provides extra oxygen to a dwindling fire is similar to other types of bellows: they all involve a bag of air.
Detailed explanation-2: -The main function of a bellows is to contain air to expel it at a certain pressure and direction to achieve different purposes, it is a deformable container or not, that when compressing it and reducing its volume, the air that was kept inside comes out through a nozzle or outlet conduit to achieve different purposes.
Detailed explanation-3: -1. A pneumatic device that pumps air into a pipe organ. 2. The pleated center section of instruments in the accordion family that collects air when expanded and pushes the air across the reeds to produce the musical pitch(es) when squeezed together.