A:OK , so this is the main factory area . We're now walking past the printing machine . It's printing in four colours at the moment . B: What's going on over there ? A: They're setting up the machine for a new run . B: How long does that usually take ? A: <MASK> . B: What's happening at the far end ? A: That's the packing line . The goods are being wrapped and loaded onto pallets ready for transportation .
About twenty minutes About twenty seconds About twenty hours