You cannot locate the MSDS for a new chemical used in the shop. What should you do?
A. Ask a coworker what protective measures are necessary for this new chemical.
B. Ask your employer to provide the MSDS for the chemical.
C. Use the chemical with caution.
D. Wait to see what happens to someone else who uses the chemical.
Answer: B
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This is a conical-shaped tool used to cut the recess for the conically shaped head of a fastener.
a. counterdrill b. countersink c. spotface d. counterbore
Todos los tipos de cuerpos de tuberías eléctricas siguientes pueden utilizarse como punto de acceso para tuberías eléctricas que requieran un cambio de dirección de 90° EXCEPTO:
a. LL. b. LB. c. X. d. C.
In the circuit of Figure P2.32, assume v2 = vS/6 and the power delivered by the source is 150 mW. Also assume that R1 = 8 k?, R2 = 10 k?, R3 = 12 k?. Find R, vS , v2, and i .
What will be an ideal response?
A series RLC circuit is described by  figure 1.png)
Find the response when L = 0.5 H, R = 4 ? and C = 0.2 F. Let i(0–) = 7.5 A and [di(0–)/dt] = 0.
What will be an ideal response?