| http://www.w3.org/ns/prov#value | - Examples of the softening agents are petroleum-type softening agents such as process oil, lubricant, paraffin, liquid paraffin, petroleum asphalt and vaseline; coal tar-type softening agents such as coal tar and coal tar pitch; fat oils such as castor oil, linseed oil, colza oil and ooconut oil; tall oil; waxes such as beeswax, carnauba wax and lanolin; fatty acids and the salts thereof such as ri
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