diy tractor mini petrol pump | science project

diy tractor mini petrol pump | science project Watching more: The video features a DIY science project where a mini tractor is used to create a petrol pump, demonstrating its design and operation. If you find the video interesting, please click like (👍) to share and subscribe to our support channel! We are very grateful for your generosity and will use this fund to develop the channel better and better!!! #diytractor #sunfarming #riceharvest #homemade tractor #sand_sieving machine #construction machine #haiphongminitractor #sunnyagriculture Thanks for watching..................