Adding annotation and mark-up to linguistic corpora has become a standard practice in corpus building over the past few decades as a way to facilitate data extraction and at the same time guarantee that new corpora are compatible with existing and future tools. The purpose of this article is twofold. First. we provide an overview of the main forms of annotation and mark-up available t... https://www.roneverhart.com/Medline-Wheelchair-Arm-Trays-TRAY-ARM-WHEELCHAIR-ADJUSTABLE-LEFT-MDSR009636/