A lockout tag has been placed on the shop grinder. This means that ________
A) The machine should not be used
B) The grinder must be unplugged after each use
C) Full face protection must be worn before removing the tag
D) The grinder can only be used on low speed
A
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Assess the validity of the following statement: "Slavery might have begun in America for economic reasons, but by the end of the 17th century, it was clear that racial discrimination also powerfully molded the American slave system."
What will be an ideal response?
A stream flowing through a rural agricultural region in Central America contains 10–1 MPN/100ml of Giardia lambia cysts. If a backpacking tourist drinks 5 liters of water per day, how many days before the hiker is likely to become ill due to the salmonella contamination? Assume the typical infectious dose for Giardia in this community is 10 organisms.
What will be an ideal response?
The semilunar valve of the left side of the heart prevents backflow from the
A) aorta. B) pulmonary trunk. C) pulmonary veins. D) right ventricle. E) left ventricle.
The GM EV-1 was what type of vehicle?
A) Totally electric powered
B) A parallel-type HEV
C) A first generation hybrid electric vehicle (HEV)
D) A series-type HEV