
7 צייַט
223 עפּיזאָד
3-2-1 Contact - Season 7 Episode 17
There is surprising strength in a tube because it is hollow. We see how tubes are used in bicycles, organs, and roofs.
- יאָר: 1988
- לאַנד: United States of America
- זשאַנראַז:
- סטודיאָ: PBS
- קיווערד:
- דירעקטאר:
- געשטאַלט: