The factory is located 2s, w, enter from Tleilax AP.
The foreman is in his office up the stairs. You may need to say something for him to notice you…
Look for small details in room descriptions.
The devices are in each of the 3 wings of the area, Syntaxes are tough
The cargo ship, which is “seemingly ignored” 2sw in the crane hall, has a keypad you must examine to find a 3 digit code. (enter 427 or similar)then a panel you must lift in the cockpit.
After line1a, go all north and 'move pens'
The Factory Warhouse - Side Aisle find, ' One of the stacks looks particularly precarious.' and stand in path
take all 3 devices to foreman for a keycard
go to line1a room, now line3b appears. Take line3b and head all north while killing the huge and aggressive mobs. At end there is PETF rep, kill it, take the last device back to Foreman
while at foreman he asks “who was behind this?” you must say PETF