I was totally amazed at the super advanced, sophisticated machinery until I saw, on slide 6, that they'll be using a "junk shot", made up of tyres, rope, and go

I was totally amazed at the super advanced, sophisticated machinery until I saw, on slide 6, that they'll be using a "junk shot", made up of tyres, rope, and golf balls as a last resort! One more use for all those balls that end up in course ponds, I guess.