Hanna-Barbera Poland (Warning Screen)

1st Warning (1988-1993)
Visuals: On a background, there is the following text:

Technique: None.

Audio: None.

Availability: Seen on Hanna-Barbera videos in Poland.

2nd Warning (1993-1998?)
Visuals: Same as the previous warning but the background is grey, and the text is in italics and a green outline is used for the Text.

Technique: None.

Audio: None.

Availability: Unknown. Seen on Hanna-Barbera home video releases in Poland.