| http://www.w3.org/ns/prov#value | - Train and supervise staff in all aspects of arboretum maintenance and development including soil preparation, planting & transplanting, mulching, watering, weeding, fertilizing, pruning, propagating, mowing, raking, sweeping & blowing, tree & brush cutting, chipping, and the proper use of shovels, trowels, fan rakes, grading rakes, spades, digging forks, pick axes, brooms, hand shears, hand saws,
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