FOX 29's Bill Anderson has the story. WEST PHILADELPHIA - When we talk about social distancing and safety during coronavirus pandemic ask yourself how many people have as much exposure as sanitation workers. “You don’t know what’s in the packaging, you don’t know what’s in the black bags, you don’t know what’s in the boxes that you pick up," Zackary Williams told FOX 29. FULL COVERAGE: CORONAVIRUS It was clear as FOX 29's Bill Anderson followed Zackary, Joseph and Marketa on their route that they indirectly have contact with every person on the block, but what was also clear is that they are up to it. “Me and my coworkers, we take on the challenge every day to do the best we can do under the circumstances we know we’re faced with," Zackary