1: Just after you escape the toxic area and you rescue Cliffjumper, the audio log will be on the left side of the path.
2: After you deal with the snipers and break the Titan’s chain to create a bridge, you will go up some newly-formed stairs and enter a room with a moving monitor in the center. The audio log will be directly to the right of it.
3: While helping Cliffjumper deal with the snipers, he will run ahead and you will need to break down a wall to continue. When you pull the wall down, enter it and the audio log will on the left side of the room.
4: After you pull the door pulley to let Cliffjumper run under the large door, grapple up to the right and then continue to go right down the corridor. Walk to the lever at the end and it will transform and do a dance. Look up to the right to find an opening you can grapple to that will have the audio log within it.
1: Thermo Mine Payload
Just after Cliffjumper warns you that there a mass of enemies on the other side of the door you pull down, you will have to grapple across three platforms. On the second, there is an opening below it that will lead to an area on the left that will have the blueprint.
2: E.D.K. Techvolt
While helping Cliffjumper deal with the snipers, he will run ahead and you will need to break down a wall to continue. When you pull the wall down, enter it and you will see a dead robot in the center of the room with blue electricity. The blueprint will be at his feet.
3: Gear Shredder
When you reach the room that “looks like a lab of some sort” you will see a buzz saw in front of you. Just in front of it will be the blueprint on the ground.