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The Mollie Kathleen Gold Mine was closed in the 1960s but has since held tours of the mines which remained popular over the years, according to the mine's tour website.
Underground portion of Grasberg Mine in Central Papua visited by President of Indonesia Joko Widodo. Freeport is the world's largest producer of molybdenum, and one of the largest producers of copper. [47] In 2019, 79% of its revenues were from the sale of copper, 11% were from the sale of gold, and 8% were from the sale of molybdenum. [47]
Believed to be the first coupon ever, this ticket for a free glass of Coca-Cola was first distributed in 1888 to help promote the drink. By 1913, the company had redeemed 8.5 million tickets. [6] Coca-Cola's 1888-issued "free glass of" is the earliest documented coupon. [6] [7] Coupons were mailed to potential customers and placed in magazines ...
The Knaben mine in southern Norway, opened in 1885, was the first dedicated molybdenum mine. Closed in 1973 but reopened in 2007, [59] it now produces 100,000 kilograms (98 long tons; 110 short tons) of molybdenum disulfide per year.
A substantial portion of e-cigarette marketing on social media includes price promotions, discounts, coupons, free trials, giveaways, and competitions. [43] These types of incentives can persuade potential consumers to make a purchase and assist vendors to create a loyal customer base, which has already been demonstrated for tobacco. [ 43 ]
The Pogo mine is a gold mine in the state of Alaska. [2] By 31 December 2017 Pogo had produced 3.6 million ounces of gold at a grade of 13.6 g/t. Annual production for 2020 was 205,878 ounces. [1] At 31 December 2019 the mine had Proven and Probable Reserves of 1.5 million ounces of gold at a grade of 7.5 g/t . [3]
In 1860, the city had 13,000 free people of color (gens de couleur libres), the class of free, mostly mixed-race people that expanded in number during French and Spanish rule. They set up some private schools for their children. The census recorded 81 percent of the free people of color as mulatto, a term used to cover all degrees of mixed race.
18 July – The first example of naturally occurring graphene is reported, at a gold mine in South Africa. [319] 19 July – Researchers report the discovery of self-healing of fatigue cracks in metals in vacuum. [320] [321] 21 July: A first study investigates theories popularized in 2018 that involve jobs being viewed as objectively useless to ...