@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_medicine_	skos:broader	isac:basic_material_ .
isac:_minerals_	skos:broader	isac:basic_material_ .
isac:_oil_	skos:broader	isac:basic_material_ .
isac:_coal_	skos:broader	isac:basic_material_ .
isac:_charcoal_	skos:broader	isac:basic_material_ .
isac:_petrochemical_	skos:broader	isac:basic_material_ .
isac:_cardboard_	skos:broader	isac:basic_material_ .
isac:_plywood_	skos:broader	isac:basic_material_ .
isac:_energy_	skos:broader	isac:basic_material_ .
isac:_glass_	skos:broader	isac:basic_material_ .
isac:_metal_	skos:broader	isac:basic_material_ .
isac:_paint_	skos:broader	isac:basic_material_ .
isac:_aluminum_	skos:broader	isac:basic_material_ .
isac:_copper_	skos:broader	isac:basic_material_ .
isac:_fabric_	skos:broader	isac:basic_material_ .
isac:_fuel_	skos:broader	isac:basic_material_ .
isac:_gold_	skos:broader	isac:basic_material_ .
isac:_amine_	skos:broader	isac:basic_material_ .
isac:_book_	skos:broader	isac:basic_material_ .
isac:_food_	skos:broader	isac:basic_material_ .
isac:_material_	skos:broader	isac:basic_material_ .
isac:_paper_	skos:broader	isac:basic_material_ .
isac:_stone_	skos:broader	isac:basic_material_ .
isac:crude_oil_	skos:broader	isac:basic_material_ .
isac:iron_ore_	skos:broader	isac:basic_material_ .
isac:_ceramic_	skos:broader	isac:basic_material_ .
isac:_wood_	skos:broader	isac:basic_material_ .
isac:_ammonia_	skos:broader	isac:basic_material_ .
isac:_cement_	skos:broader	isac:basic_material_ .
isac:_steel_	skos:broader	isac:basic_material_ .
isac:_stick_	skos:broader	isac:basic_material_ .
isac:_binder_	skos:broader	isac:basic_material_ .
isac:_cotton_	skos:broader	isac:basic_material_ .
isac:_corn_	skos:broader	isac:basic_material_ .
isac:_limestone_	skos:broader	isac:basic_material_ .
isac:calcium_carbonate_	skos:broader	isac:basic_material_ .
isac:sodium_hydroxide_	skos:broader	isac:basic_material_ .
isac:_glue_	skos:broader	isac:basic_material_ .
isac:_lime_	skos:broader	isac:basic_material_ .
isac:_plastic_	skos:broader	isac:basic_material_ .
isac:_silicon_	skos:broader	isac:basic_material_ .
isac:_pencil_	skos:broader	isac:basic_material_ .
isac:_rubber_	skos:broader	isac:basic_material_ .
isac:_concrete_	skos:broader	isac:basic_material_ .
isac:_gravel_	skos:broader	isac:basic_material_ .
isac:sodium_carbonate_	skos:broader	isac:basic_material_ .
isac:ammonium_hydroxide_	skos:broader	isac:basic_material_ .
isac:unmachined_steel_	skos:broader	isac:basic_material_ .
isac:unshaped_wood_	skos:broader	isac:basic_material_ .