Mostly this is an extremely unreliable process, more than anything else.

The V-4 engine was extremely unreliable, and the design flaws could not be worked out.

He is often described as extremely unreliable, immature and cowardly, due to his actions.

Early flights in scheduled service indicated the Tu-144S was extremely unreliable.

Most devices at the time were either too large or impossible to program and extremely unreliable.

The app's great for reading articles, but goal alerts have been extremely unreliable, particularly when following a team rather than a specific match.

Before the satellite age started in the 1960s, data on east Pacific hurricanes is extremely unreliable.

The desire to own one of the popular vehicles notwithstanding, the early autos proved extremely unreliable.

Despite this, it is actually weak and extremely unreliable.

The recall of dreams is extremely unreliable, though it is a skill that can be trained.