Description:Chemical closets, Sanitary appliances, Fixed, Performance, Instructions for use, Marking, Design, Dimensions, Containers, Sewage, Handles, Toilet seats, Flushing cisterns, Quality, Water absorption, Performance testing, Mechanical testing, Loading, Impact testing, Chemical-resistance tests, Water-resistance tests, Water-absorption tests, Stain tests, Efficiency, Life (durability), Strength of materials, Test equipment