Acronym Soup: WAIS?

Questions

Cooking and salad _____ could lubricate machinery, such as cars and boats, according to Penn State chemical engineers?

Dating back to the 1600s, thermometers were filled with ______ instead of mercury?

Early models of vacuum cleaners were powered by?

Focus group information compiled by CalComp revealed that 50 percent of computer users do not like using a?

From 9,000 pounds of roses, which totals about 55,000 blossoms, ___ pounds of costly rose essence can be extracted to be used as a component in fragrances?