A. Direction: Match Column A with its definition in Column B., Write ONLY the Letter of the correct answer on the space before the number., Column , Columns, 1. Impervious, a Rough, hard particles such as sand or fine gravel., 2. Resiliency, b. Permitting no passage impenetrable., 3. Grit, c. An oven or furnace for drying various products., 4. Kiin, d. The quality of being resilient, elastic.