Which of the following would be a design constraint for a recycling center?
types of trash being recycled
special machines required to recycle
all of the above
A farmer with hilly land will most likely rely on what engineering solution?
cutting down more trees
machines to soak up water
An engineer wanting to prevent thermal energy loss in a home would use which of the following materials?
A city looking to improve its water filtration system cheaply may choose which of the following solutions?
more heat in the machines
What was a likely design constraint in the building of the Hoover Dam?
food for the construction workers
materials for the dam