Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
Classification of portable vacuum cleaners
It generally has four forms:
Shoulder vacuum cleaner: smaller volume, back on the shoulder when using, and low power output.
Ring -type vacuum cleaner: shape like a rod, the upper end is the handle, the lower end is the mouth suction, and the small power output.
Hand -type vacuum cleaner: smaller volume, can be used directly in the hand, and the small power output.
Micro vacuum cleaner: multi -battery power supply, smaller volume, mostly used for cleaning clothes, instruments, etc., micro -power.
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