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
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