CHAPTER X.

PLUMBING.--IS PLUMBING ENTIRELY SAFE?--COMPLETENESS IN PLUMBING APPARATUS.--LABOR-SAVING PLUMBING APPARATUS.--SEWER CONNECTIONS.--SOIL PIPE.--A TRAP.--ACCIDENTS TO TRAPS.--FREQUENT USE OF PLUMBING APPARATUS DESIRABLE FOR SAFETY.--WATER-CLOSETS.--SIMPLICITY IN PLUMBING.--DRAIN CONNECTIONS.--TO KEEP PLUMBING APPARATUS FROM FREEZING.--CISTERN WATER SUPPLY.--GREASE SINK.--FLUSHING OF DRAIN.--BATH-TUB 64-74