Vertical mulching, where many holes are drilled in the ground and filled with organic matter or coarse
material, such as sand, allowing some movement of air and moisture into the root zone of trees, can be
used to relieve compaction in established landscapes.
Indicate whether the statement is true or false.
T
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Manual push-button starters may be used to control single-phase motors rated up to ____.
a. 5 hp b. 10 hp c. 15 hp d. 20 hp
Building up the molten weld pool before it is ended will help prevent crater ____________________.
Fill in the blank(s) with the appropriate word(s).
In an alternate bend test, the specimen is bent ____ from the gauge lines through an angle of ____.
A. away, 15° to 30° B. away, 30° to 45° C. toward, 15° to 30° D. toward, 30° to 45°
Electronic shielding or protection is needed when welding near on-board computers (electronic control units [ECUs]) and sensor wiring.
Answer the following statement true (T) or false (F)