Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to operate a manual pallet jack [title] Find the release lever. [step] Stand behind the manual pallet jack as this is the position you will be in when you move it. Find the small lever that allows the pallet jack prongs (the large flat metal pieces near the floor) to drop all the way down toward the floor.

Ending1: Pass that lever over the top of the pallet jack, locking it in place with your fingertips. Keep the pallet jack in this position for 45 seconds, until it begins to tilt upwards slightly. Ending2: Lock the release lever in place and open the pallet jack by rotating it counter clockwise. [substeps] One second later, reverse the motion in the locked position and use the bucket with the release lever to hoist the pallet jack farther up. Ending3: [substeps] The pallet jack drop lever is often a small lever in the middle of the rounded handle, on the vertical stem of the manual machine. It may be distinguished by a different color of plastic, or otherwise marked, or it may not be. Ending4: [title] Pull the lever counterclockwise. [step] Steadily pull this lever counterclockwise.

Answer format: ending1/ending2/ending3/ending4