A | B |
goes | move from one place or point to another |
kinds | things having similar characteristics |
heavy | of great weight; difficult to lift or move |
against | in opposition to |
today | this present day |
axles | a rod or spindle passing through the center of a wheel or group of wheels |
inclined planes | a plane inclined at an angle to the horizontal |
lawn | an area of short, mown grass in a yard, garden, or park |
machines | an apparatus using or applying mechanical power and having several parts |
pulleys | a wheel with a grooved rim around which a cord passes |
surface | the outside part or uppermost layer of something |
vacuum | clean with a vacuum cleaner |
convenient | it is easy to use and saves you time or work |
equipment | what we call the pieces or parts needed to do something special |
engine | a machine that is used to run another machine. |
pilot | the person who flies a plane |
cellar | a room or rooms built underground |
furnace | is used to warm buildings. |
steer | to cause transportation to go in a certain direction. |
gadget | is a small tool that is used for a certain purpose. |