Fill in the blanks with the correct words or phrases from the word bank. 1. Rail cars are joined together with ______________ . 2. ________________ is joined using chains and hooks. 3. The yard master asked the worker to ____________ the incoming freight cars. 4. A buckeye couple relies on ______________ to latch cars together. 5. Because the cars were joined by a _____________ they could not be unlatched easily.