Which of the following diagnostic horizons would likely not restrict root growth in soils?
A) petrocalcic B) placic C) fragipan D) albic E) salic
D
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What will be an ideal response?
A "material removal prohibited" symbol has
A. A small circle, in place of the horizontal line in the "V". B. A number to the left of the machining symbol. C. A "G" above the horizontal line of the "V".
Bar screens and grit chambers are used
a. only in primary wastewater treatment plants b. in most municipal wastewater treatment plants c. very rarely due to applications of modern technology d. only in advanced wastewater treatment plants e. in most municipal water supply facilities
What should always be used to free stuck or frozen wheels on a tractor?
a. Creeper gear b. Reverse gear c. Low forward speed d. High forward speed