The Welsh copper industries of mining, smelting and refining created generations of talented workers. Although dominated by men, women took part too, particularly in the North Wales mines.
Asphalt (Composition) Shingles: The ideal temperature range to install asphalt shingles is between 70 and 80 degrees Fahrenheit. Colder than 70 degrees and the adhesive will not reach the ideal elasticity and will not create a perfect seal.sphalt (Composition) Shingles: The ideal temperature range to install asphalt shingles is between 70 and 80 degrees Fahrenheit. Colder than 70 degrees and the adhesive will not reach the ideal elasticity and will not create a perfect seal.
1 You can bake your potatoes at different temperatures, ranging from 400 degrees Fahrenheit (204.4 degrees Celsius) to 325 degrees Fahrenheit (162.7 degrees Celsius). The higher the temperature, the quicker your potatoes will bake.  Scrub the potatoes under cold water.