1 The installer no longer has to try to hold hanger, joist and nail with one hand and swing a hammer with the other! 2  JHA270 range features a location tab which allows easier alignment of the hanger.  The model number and size is stamped into the seat of the hanger for easy identification, even after installation.
first class(Adjective) Belonging to the best or top group in a system of classification. first class(Adjective) Of, or relating to the most luxurious and expensive class of accommodation on a train, ship, hotel, etc. first class(Adjective) Of, or relating to a class of mail to be delivered before second class.
second class. noun. Definition of second class for English Language Learners. : a level of service on a train, ship, etc., that is just below first class. : a class of mail in the U.S. that includes newspapers, magazines, etc. : a class of mail in the UK that costs less and takes longer to arrive than first class.