How much does a social worker make? According to the May 2012 records from the Bureau of Labor Statistics, the mean annual healthcare social worker salary is $51,460, or $24.74 per hour. The lowest ten percent earn $31,410, while the top ten percent make an average of $74,030 annually.
The Leibniz Step Reckoner. Gottfried Leibnizâs 1673 âStep Reckonerâ introduced a design innovation that enabled a single gear to represent any digit from 0 to 9 in just one revolution. This stepped-drum approach dominated calculator design for the next two centuries. Gottfried Leibniz.
Today, there is a variety of freezer brands available to the general consumer, ranging from budget to top-of-the-line models. Out of these many brands, there are three main manufacturers who build freezers. They are Frigidaire, W.C. Wood's and Haier. 1  Frigidaire manufactures Kenmore, GE and Kelvinator brands of freezers. 2  W.C. Wood's makes Amana, Maytag, Danby and Whirlpool brands. 3  Haier makes some Kenmore, GE, Maytag and Amana models as well.