How It's Made S27 E13
Coconut Shell Charcoal, Dial Indicators, Wet Downdraft Tables, Bassoon Reeds

Discarded coconut shells are carbonized, ground and formed into clean-burning charcoal. Precision gears, springs and calibrated faces are assembled into dial indicators; ventilated worktables draw dust and sparks downward into water-based collection systems; and selected cane is split, shaped, bound and carefully scraped into responsive bassoon reeds.