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lean – v. to bend or move from a straight position
tilt – v. to move into a position where one end or side is higher than the other
residential – adj. of or relating to the places where people live
beam – n. long and heavy piece of wood or metal used to support parts of a building, ship, etc.
concrete – n. a hard substance used in construction
shift – v. to move to a different place, position, etc.
negligence – n. failure to take the care that a responsible person usually takes
shortcut – n. a faster or easier way to do something
seismically – adv. relating to or caused by an earthquake
