What is a stringer in a steel stair made of?
What will be an ideal response?
A channel section or a steel plate.
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Which of the following materials is NOT a conductor?
A. copper B. aluminum C. iron D. glass
Meat chickens are also known as ____________________ chickens
Fill in the blank(s) with correct word
The great and middle cardiac veins drain blood directly into the
A) superior vena cava. B) inferior vena cava. C) coronary sinus. D) coronary sulcus. E) aorta.
A number of essential steps in an IPM program ________
a. provide identification of pests and natural enemies b. determine the injury level or potential size of the pest population c. determine the action or threshold level at which some pest controlling methods must be employed d. evaluate the greatest success with control and plan for future action e. all of the above