For around $25, the Neoteck TS20D is a fully-featured, well-made, and decently accurate tool that will handle most multimeter-related tasks. It's small enough to drop into a pocket or toolbox, durable ...
There are different types of medicines and delivery devices to treat COPD. A nebulizer is a device that turns the liquid medicine into a mist which is then inhaled through a mouthpiece or a mask.