oral health promotion in the nursing interventions classification, a nursing intervention defined as promotion of oral hygiene and dental care for a patient with normal oral and dental health.ealth promotion programs designed to inform the public about health risks and methods to prevent or reduce them; the programs are often targeted at specific populations.
As a food additive, hypromellose is an emulsifier, thickening and suspending agent, and an alternative to animal gelatin.Its Codex Alimentarius code (E number) is E464.or other uses, see HPMC (disambiguation) . Hypromellose (INN), short for hydroxypropyl methylcellulose (HPMC), is a semisynthetic, inert, viscoelastic polymer used as an ophthalmic lubricant, as well as an excipient and controlled-delivery component in oral medicaments, found in a variety of commercial products.
FR-4, is a widely acceptable international grade desination for fiberglass reinforced epoxy laminated that are flame retardant (self extinguishing). After add copper layer on one or each side FR4, it become to Copper Clad Laminate (CCL), and this is the non-conductive core materail for normal printed cricuit board (PCB). Printed circuit board using FR4 as core material will be named as FR4 PCB.