Arturs - https://stock.adobe.com/video/closeup-woman-s-hand-with-gloves-with-a-kitchen-knife-chopping-apple-in-kitchen/417694679 - Adobe Stock Extended license. 
Blackboxguild - https://stock.adobe.com/video/close-up-of-a-young-man-balancing-a-ping-pong-ball-on-his-ping-pong-bat-with-trees-in-the-background-in-4k-slowmotion/425607475 - Adobe Stock Extended license. 
fotorealis - https://stock.adobe.com/video/bambino-suona-bongo-percussioni-per-musicoterapia/536371955 - Adobe Stock Extended license. 
DayByDay Vlogs - https://www.youtube.com/watch?v=M9X62kCn9ls - YouTube Creative Commons CC BY license. 
FreeStockFootageClub - https://www.youtube.com/watch?v=zI1_fAtpHQc - YouTube Creative Commons CC BY license.     
Ignat Gorazd - https://www.youtube.com/watch?v=1_ckbCU5aQs - YouTube Creative Commons CC BY license.     
kriista - https://www.youtube.com/watch?v=6d1YS7fdBK4 - YouTube Creative Commons CC BY license.     
mrivserg - https://stock.adobe.com/video/chopping-wood-with-sound-close-to/56739707 - Adobe Stock Extended license. 
orientka - https://stock.adobe.com/video/unrecognizable-man-soccer-player-is-training-with-football-ball-in-freestyle/535351750 - Adobe Stock Extended license.  
Over & Out - https://www.youtube.com/watch?v=SExIpBIBj_k - YouTube Creative Commons CC BY license.     
Over & Out - https://www.youtube.com/watch?v=XxmZxM8AtUc - YouTube Creative Commons CC BY license.    
Percussion Play - https://www.youtube.com/watch?v=fcjfKvdkJyI - YouTube Creative Commons CC BY license.     
Percussion Play - https://www.youtube.com/watch?v=xcUyiXt0gjo - YouTube Creative Commons CC BY license.     
PhotoSerg - https://stock.adobe.com/video/kid-juggles-the-ping-pong-ball-green-screen/99378579 - Adobe Stock Extended license.    
PUSAT E-PEMBELAJARAN UMS - https://www.youtube.com/watch?v=S6TkbV4B4QI - YouTube Creative Commons CC BY license.     
Suliman Razvan - https://stock.adobe.com/video/christian-monk-hitting-a-large-wooden-piece-toaca-with-little-wooden-hammer-to-summon-the-breathren-to-prayer/93378558 - Adobe Stock Extended license.     
Thomas Cremier - https://www.youtube.com/watch?v=GFmuVBiwz6k - YouTube Creative Commons CC BY license.
videoxxx - https://stock.adobe.com/video/man-in-a-business-suit-knocking-on-the-window-rear-view/531279405 - Adobe Stock Extended license.