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surface@@1	surface	outer layer	2
surface@@1	surface	topside	1
surface@@1	surface	reach	1
surface@@1	surface	span	1
surface@@1	surface	surface area	1
surface@@1	surface	exterior face	1
surface@@1	surface	face	14
surface@@1	surface	exterior	18
surface@@1	surface	outside layer	1
surface@@1	surface	level	11
surface@@1	surface	superficial appearance	1
surface@@1	surface	tip	1
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surface@@1	surface	top layer	5
surface@@1	surface	upper ground	1
surface@@1	surface	surface texture	1
surface@@1	surface	lining	1
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surface@@1	surface	front	1
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surface@@1	surface	layer	3
surface@@1	surface	plane	6
surface@@1	surface	top	16
surface@@1	surface	interior	1
surface@@1	surface	top tissue	1