This sample is from the Forklift Operator Training 103 safety training course. Particularly from the "How does a forklift work" section. https://bin95.com/forklift-operator-training-103.htm
This OSHA forklift operator training video course 103 [Refresher] is the third in the OSHA Forklift Certification Training Series at https://bin95.com/osha-forklift-certification-training.htm (Free forklift test too.)