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SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2017
Accounting Policies [Abstract]  
Schedule of Property, Plant and Equipment Estimated Useful Lives
Depreciation is calculated using the straight-line method over the estimated useful lives of the assets, as follows:

 
Years
   
Buildings and leasehold improvements
7 - 39
Machinery and equipment
3 - 17
Motor vehicles
6 - 7
Office furniture and equipment
3 - 17
Software
3-5