Causes of Dizziness. Dizziness is a general term that can describe a feeling associated with a number of other symptoms including vertigo, light headedness or just a sense of loss of balance. Each of these can be caused by different things. 1  Vertigo: Vertigo is feeling a sense of spinning or motion when there is none.izziness is a general term that can describe a feeling associated with a number of other symptoms including vertigo, light headedness or just a sense of loss of balance. Each of these can be caused by different things.
40ft Flat Rack. Designed for the carriage of large and heavy items, for example, boats, lumber and machinery, available in a 40â configuration. 1  Ease of loading from all angles. 2  Collapsible end walls ideal for storage and backhaul. 3  Accommodating caroges of up to 47 tonnes.
Define: Rack Unit âUâ or âRUâ. The hole spacing for standard 19â³ racks on the mounting flange is spaced in groups of three holes. This three hole group is defined as a Rack Unit (RU) or sometimes just call a âUâ. 1U occupies 1.75â³ (44.45 mm) of vertical space. Manufacturers of rackmount equipment make their product lines based upon how many RUs that the equipment occupies in the server rack.