| http://www.w3.org/ns/prov#value | - e public. ?? Knowledge of established procedures for trimming a variety of trees, shrubs, and bushes. ?? Knowledge types of plants, trees, bushes, turfs, etc. used for a variety of general and specialized landscaping projects. ?? Knowledge of general landscape maintenance procedures. ?? Knowledge of irrigation needs of a variety of plants, turfs, trees, bushes, etc. ?? Knowledge of basic mathemati
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