Every time the purified water is delivered, the master is in a hurry. He takes off his shoes outside the door, wears socks, bypasses the aisle, enters the living room, and then goes to the water dispenser. I asked him to put on his slippers, he said, no time, and the floor was clean. Once, I asked him to have a cigarette and sit down for a while. He smiled gratefully at me. He said he was laid off and contracted the business of delivering purified water to our community to the purified water ...