The most important aspects of keeping small engines in good working condition are keeping the ____________________ clean and keeping a proper level of ____________________
Fill in the blank(s) with correct word
air breather, oil
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The equipment attachment plugs used with the duct system are ____, which eliminates several problems when portable tools having three-phase motors are used.
A. grounded B. phase-rotated C. phase-reversed D. polarized
King George III officially declared the colonies in rebellion just after
A. the armed clash at Lexington and Concord. B. the First Continental Congress convened. C. the Battle of Bunker Hill. D. Benedict Arnold's forces' captured Ticonderoga and Crown Point. E. hiring Hessian solders to fight in America.
The moldboard plow:
a. turns soil to mix crop residue, livestock manure, lime, and fertilizer b. leaves the crop residue on the surface of the soil c. leaves a large ditch for irrigation purposes d. is no longer used because it encourages erosion
Under optimal conditions, catfish embryos hatch after:
a. 12-24 hours c. 2-3 weeks b. 4-6 days d. 12-14 weeks