Démonstration 1 https://www.youtube.com/watch?v=lf9AjQWUePA D2-1215-1 1h01:16 Démonstration 2 https://www.youtube.com/watch?v=O3__XPVR-cQ D3-1215-2a 1h26:07 https://www.youtube.com/watch?v=LS0D5SHTtM8 D4-1215-2b 0h50:45 Démonstration 3 https://www.youtube.com/watch?v=RR2jRyPbhjI D5-1215-3a 0h52:59 https://www.youtube.com/watch?v=miwyhg8yLaw D6-1215-3b 01h41:54 Exo-5.9: https://youtu.be/f4aJHPTbFQU D6-1215-3c (exo 5.9) 0h12:21 Démonstration 4 https://www.youtube.com/watch?v=miwyhg8yLaw D6-1215-4a 1h41:54 https://www.youtube.com/watch?v=VeABC4gdyUY D6-1215-4b-5a 1h35:11 Démonstration 5 https://www.youtube.com/watch?v=VeABC4gdyUY idem https://www.youtube.com/watch?v=Nm-DJrmqTYU D8-1215-5b-6a 1h44:06 Démonstration 6 https://www.youtube.com/watch?v=Nm-DJrmqTYU idem Démonstration 7 https://www.youtube.com/watch?v=MDC8ajh8_Pw (Sans audio) 1h30:06 D9&10-1215-7a Démonstration > 7 https://youtu.be/JiFQKgsfQos 1h19:20 D11-1215-8a https://youtu.be/hlNA6grLvms 1h22:48 D12-1215-8b