Wax Against Water
Capable of Satisfying the Demanding Packaging Requirements of War, Plus Previously Unposed Problems of Protecting such Things as Frozen Foods, are the Waxes and Waxed Papers. Water Doesn't Penetrate Wax and Modern Waxes are Tough--Hence Give Efficient Protection
By-Product Bonuses
Petroleum By-Products, Like Ordinary People Working Without Great Fanfare, Receive Scant Attention Because There are so Many of Them. But They do Their Jobs Well, and the Background of Many By-Products Hold Bright Stories of Careers Salvaged from Oil-Refinery Wastes
Petroleum Process Products
From about Two Percent of the Crude Oil Produced Comes a Myriad of Little-Known Materials that Aid--In Proportions Far Exceeding Their Quantity--In the Production of Nearly Everything We Use, Eat, or Wear, Emulsified Waxes and Textile Oils Have Major Importance, Wide Use
Relative Positions of Halley's Comet, the Earth, and the Sun