EARTH SCIENCE
NATURAL HAZARDS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Rubber and wax
|
|
|
Steel and wool
|
|
|
Gold and Silver
|
|
|
Water and soil
|
Detailed explanation-1: -The mix ratio for the recipe I’ll show you is 2:1:1 for beeswax to boiled linseed oil to turpentine. For example, if you have 1 pound (or 16 ounces) of beeswax, you will need 8 ounces each of boiled linseed oil and turpentine. You can make as much or as little as you’d like.
Detailed explanation-2: -The wax coating repels water, making this a popular material that has stood the test of time for constructing military rucksacks & backpacks, sails, tents, and outdoor gear. Caring properly for waxed canvas will help it remain waterproof. If you preserve the wax coating, you’ll preserve the water resistance.
Detailed explanation-3: -There are many ways you can make a waterproof enclosure. You can make use of enclosures such as O-rings and gaskets. You can also make use of overmolding or injection molding. However, there are times you might need to use the two.
Detailed explanation-4: -POLYURETHANE. Polyurethane is considered one of the best waterproofing materials. CEMENTITIOUS COATING. EPDM RUBBER. RUBBERIZED ASPHALT. THERMOPLASTIC. BITUMINOUS MEMBRANE. PVC WATERPROOFING MEMBRANE.