DHP

[ Electrical and scientific apparatus, namely, pre-recorded cassettes, compact disks, and video and voice cassettes all featuring water use, applications, delivery, purification and control ]

paper goods and printed matter pertaining to water use, applications, delivery, purification, and control, namely instructional manuals, teaching materials, news letters, books, circulars, magazines, and daily and monthly planners

Educational services, namely developing and presenting programs of instruction for water use, applications, delivery, purification, and control; and conducting seminars, classes, workshops and lectures and water use, applications, delivery, purification, and control