pitched and sloping roof

flat roof

shell roof

none of the above

coastal regions

plain regions

covering large areas

all of the above

gable roof

hip roof

gambrel roof

mansard roof

two directions without break in the slope on each side

two directions with break in the slope on each side

four directions without break in the slope on each side

four directions with break in the slope on each side

ridge board

hip rafter

eaves board

valley rafter