Concepts: home, replace, window
A: a current project by industry is to replace all the windows in this home .
Concepts: floor, plate, slide, smash, stack
A: Stacks of plates slide off the shelves and smash on the floor.
Concepts: highway, retain, wall
A: traffic now moves freely and safely alongside this aesthetic highway retaining wall .
Concepts: equation, graph, line, represent
A:
which equation represents a line that is perpendicular to this graph and passes through the point .