Arboriculture Terms

device that directs a jet of highly compressed air to excavate soil. Used to avoid or minimize damage to tree roots or underground structures such as pipes and wires. May also reduce hazards associated with excavation near pipes or wires.

device that directs a jet of highly compressed air to excavate soil. Used within the root zone of trees to avoid or minimize damage to the roots. or near underground structures such as pipes and wires to avoid or minimize damage to them.

presence and concentration of pollutants in air.