1.
to remove an obstruction from something in order to allow free access to it or a passage through it
2.
to remove something that is causing an obstruction
3.
to remove an obstacle to the progress of something
4.
to remove something that is blocking a pipe, tube etc
5.
to make it possible for a process to start again after it has stopped
1.
to remove an obstruction from something in order to allow free access to it or a passage through it
2.
to remove something that is causing an obstruction
3.
to remove an obstacle to the progress of something
4.
to remove something that is blocking a pipe, tube etc
5.
to make it possible for a process to start again after it has stopped