| http://www.w3.org/ns/prov#value | - Action, and Medical and Surgical Uses.???Caoutchouc is employed for a number of purposes, as rubbing out the writing made by lead-pencils; as a cement or lute by chemists and others, being first fused; for forming tubes of various kinds for surgical and other purposes; and it also enters largely into the preparation of waterproof cloth.
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