Which bearing should you not lubricate?

A. A sealed bearing
B. A ball bearing
C. A needle bearing
D. A plain bearing


Answer: A

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?Although mechanical adhesives come in various forms, they must be ____ during the bonding operation.  

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¿Qué herramientas describen mejor a las que se utilizan para fabricar piezas metálicas?

a. Pistola remachadora, cuchara y sierra con punta. b. Tiras de lona, sierra caladora y pistola de soldar. c. Cinta métrica, tijeras y cuchillo. d. Máquina bordeadora, tijeras para cortar hojalata y plegadora.

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A(n) _____ forest has mostly a single species of tree

A) all-aged B) even-aged C) ?pure D) single

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The preference of a customer for the products of a particular organization is known as

a. economies of scale. b. a barrier to entry. c. brand loyalty. d. boundary spanning. e. gatekeeping.

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