The first defense against weeds is:
a. prevention of establishment c. tillage
b. herbicides d. biocontrols
A
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Thermal overload units are widely used on both the fractional and integral horsepower manual starters for protection of motors from sustained electrical overcurrents that could result from overloading of the driven machine or from ____.
a. excessively low line voltage b. excessively low power load c. excessively high line voltage d. excessively high power load
A low voltage disconnect (LVD) feature allows the charge controller to automatically shut down DC loads when the battery reaches a specified ____________________ limit.
Fill in the blank(s) with the appropriate word(s).
Una eslinga de malla de metal debe descartarse si la abra- sión ha provocado una reduc- ción del _____ por ciento del diámetro del alambre.
a. 5 b. 10 c. 25 d. 30
Romans were the first to use the floral garland
Indicate whether the statement is true or false