How to use an MDI (metered dose inhaler) e.g. Ventolin MDI, Apo-Salvent CFC Free, Novo-Salbutamol, Flovent HFA, Advair MDI, Alvesco, etc  

How to use a Turbuhaler -style device e.g. Symbicort, Pulmicort, Bricanyl

How to use a Handihaler -style device e.g. Spiriva