proper german proper girl proper good proper goodbye proper grammar proper greeting proper grip proper grounding proper growth proper growth and development proper guidance proper hand proper hand washing proper handling proper has proper healing proper health proper health care proper hearing proper height proper hello proper help proper home proper hospital proper house proper human proper humidity proper husband proper hydration proper hygiene proper identification proper implementation proper information proper inspection proper installation proper instruction proper instructions proper insulation proper insurance proper integration proper internal proper interpretation proper introduction proper introductions proper investigation proper job proper knowledge proper lady proper language proper left proper legal proper length proper level proper levels proper license proper life proper lifting proper light proper lighting proper little proper location proper look proper lubrication proper lunch proper maintenance proper man proper management proper manner proper manners proper marriage proper materials proper meal proper meals proper measurement proper measures proper medical proper medical attention proper medical care proper medical treatment proper medication proper mental proper metabolism proper method proper military proper mixing proper moment proper money proper monitoring proper motion proper motivation proper muscle proper name proper names proper notice proper noun proper nouns proper nourishment proper number proper nutrients