She is unblocking the drain.

The unblocking of the drain was a difficult task.

The unblockings of the websites were successful.

I need to unblock the drain in the kitchen sink.

The plumber used a plunger to unblock the clogged drain.

The website is unblocked and accessible from any device.

I unblocked the drain yesterday.

He unblocks the drain with a plunger.

The unblocks were stacked neatly in the corner.

The new firewall system is designed to block all incoming traffic, but some hackers have found a way to create unblockable connections.