Abstract
.Assembly learning one of the most important pen using a fountain pen will help was regulated in writing letters. Save. The ink is sold in the market is relatively expensive.Pen speed bond or brush use. By using iron filings 50 grams tea leaves 20 grams soaked in hot water 200 cc.For 1 hours. The evaporated water until the left and left 30 CC solution.To replace the ink in the ink solution market. Besides the tea leaves, but also use other plant species instead, such as shell, mangosteen fruit pomegranate peel piece dry, because this is Tannin.)
. Party organizer
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