Could you tell me how the following sentences are different from each other in terms of nuance or meaning?<br/>Thank you.<br/><br/>1. The expert is going to show us <u>how manipulating</u> this submersible's arm at this depth of retrieving a black box.<br/><br/>2. The expert is going to show us <u>how to manipulate</u> this submersible's arm at this depth of retrieving a black box.