A. In conventional designs, the door-equipped floor cabinets lead to problems such as the lack of proper visibility and difficulty of access to the objects placed furthest back. The body posture also results in physical problems in long term.
B. Some the benefits of replacing shelves with drawers are: easy access to all of the content as it can be fully drawn out, full view over every point of the drawer and also the least necessary change in posture during the usage.
![Ergonomics and design drawer and shelves in kitchen cabinets](http://static.atra-co.com/files/164431dcd3d3dbc3f843e0ce38ae7cf2.jpg)