Unsealed concrete can be damaged by water infiltration - water can get into tiny cracks in the concrete, and as the weather freezes and warms up, the water contracts and expands - causing larger cracks.
(Unsealed concrete; can be damaged; by water infiltration - water) (Unsealed concrete; can get; into tiny cracks in the concrete) (the weather; freezes; )
Unsealed concrete Unsealed concrete the weather
can be damaged can get freezes
by water infiltration - water
into tiny cracks in the concrete