For the leg space, the gap under the table must be big enough for the user to sit and move about comfortably. Using a table with insufficient amount of leg room can caused the person to feel cramped and sore after sitting for long hours. There are other vital qualities to look for when buying office desks and you must seriously consider them:
Wooden tables being lighter but still can carry heavy weight was used during computer era where the computer terminal, its CPU, UPS and other connecting devices like printer etc were accommodated on a single wooden table, and still being practiced but with an advancement of using PVC coating over the table.
Being an IT professional myself, I would want to highlight some basic points which I feel should be a part of office furniture. Firstly, the chair must be very relaxing for the body and it must provide a very good back support and should also provide good arm rest. Last but not the least, it should have adjustable features for height and arm rests. As far as an office table is concerned, it should be easily cleanable (assuming that an IT professional has lunch on his desk to avoid the exceeding timelines for the project).
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