Many kitchen tools today are made with easy-to-grip silicone handles, a vast improvement over old wire tools, which were often painful to use. Although the advantages of silicone over wire might seem obvious, kitchenware makers were unaware of the problems with wire tools until they hired ethnographers to visit people at home, see how they worked in the kitchen, and determine what sorts of things could be sold to them.
This ethnography is an example of .

Which of the following statements about working conditions in the 1920s is not accurate? a. "in general, wages fell during the 1920s." b. assembly lines were designed to speed up production and reduce the need for skilled labor. c. many skilled craftsmen lost jobs during the 1920s. d. some employers added benefits such as paid vacation and pensions.

What are the three criteria necessary to qualify for special education services under the individuals with disabilities education act category of intellectual disabilities? an intellectual functioning of 70 or more on a standardized iq test significant difficulty with tasks of everyday living (adaptive behavior) subaverage intellectual function (2 or more sd below the mean on a standardized iq test) impaired intellectual performance due to a traumatic brain injury deficits in intellectual functioning occur during the developmental period to distinguish id from other disabilities

What does one prolonged blast and one short blast mean?