Continuity mistake: The Salamancas brothers burn Arturo's body inside his car. When the brothers leave, there is a scenic tree a short distance down the road from the burning car. It balances the shot. When the camera angle changes to a wide view, there are no trees anywhere near the car.
Continuity mistake: When Victor gives the sixth drug loaf under Nacho and Arturo's insistence, the loaf's position changes in two different shots.
Continuity mistake: The sky changes multiple times during the opening sequence. It goes from clear and sunny to much cloudier depending on the angle.
Continuity mistake: Near the beginning when they are staging the crime scene, the car with the flat tires moves between being on the road and further off to the side during the angle changes.
Continuity mistake: When Jimmy gets to Chuck's burned house and sees the coroner truck with his brother's corpse getting away after the beginning of the episode, a fireman is going to pass behind him, but when Jimmy turns to see again the burned house, the fireman has suddenly disappeared when it turns into a long shot. (00:13:32)
Answer: The bulldozer could be disassembled, the individual pieces carried down, and then reassembled once underground.
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