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Questions and Answers
The straps and handles of travel bags are made broad to reduce the pressure on our ______.
The straps and handles of travel bags are made broad to reduce the pressure on our ______.
shoulders
Army tanks are often required to move in marshy and uneven areas. To prevent them from sinking, they are provided with broad steel tracks called ______ tracks under their wheels.
Army tanks are often required to move in marshy and uneven areas. To prevent them from sinking, they are provided with broad steel tracks called ______ tracks under their wheels.
caterpillar
