Obstruction means a thing that is in the way. It can be treated as an obstacle or blockage to obstruct something or someone.
political parties
radiopaque
it obstructs access to the server target !!
Yes, in Colorado, a cracked windshield can lead to receiving a ticket. Colorado law prohibits driving a vehicle with a windshield that is cracked to the extent it impairs the driver's vision. Drivers can be ticketed for this violation.
the air cannot pass through trachea
something that obstructs or hinders progress.
Gasoline vaporizes in a fuel line and obstructs the flow of liquid fuel.
umm... cancer?
it is a type of plan which obstructs the other team from scoring by illegal means such as fouls
No, it is generally illegal to park on the sidewalk as it obstructs pedestrian pathways and can be a safety hazard.
Overpopulation obstructs economic progress and the improvement of living standards.
Willard Townshend Chevalier has written: 'Work relief that obstructs recovery'