what is the meaning of these hand signals HOISTLOWERSTOPWith arm and index fingerpointing down, hand andfinger make smal cirdes.With upper arm extendedto the side, forearm andindex finger pointingstraight up, hand andfinger make smallcirdes.With arm extendedhorizontally to the side,palm down, arm isswung back and forth.BOOM UPBOOM D OWNEMERGENCY STOPSWINGWith both arms extendedhorizontally to the side,palms down, arms areswuna back and forth.With arm extendedWith arm extendedWith arm extendedhorizontally to the side,thumb points up withother fingers dosed.horizontally to the side,thumb points down withother fingers dosed.horizontalIly, index fingerpoints in direction thatboom is to swing.

These are the crane operating signals

HOIST LOWER STOP With upper arm extended to the side, forearm and index finger pointing straight up, hand and finger make small cirdes. With arm and index finger pointing down, hand and finger make smal cirdes. With arm extended horizontally to the side, palm dovwn, arm is swung back and forth. BOOM UP BOOM D OWN EMERGENCY STOP SWING With arm extended horizontally to the side, thumb points up with other fingers dosed. With arm extended horizontally to the side. thumb points down with other fingers dosed. With both arms extended horizontally to the side, palms down, arms are Swuna back and forth. With arm extended horizontally, index finger points in direction that boom is to swing-

HOIST LOWER STOP With upper arm extended to the side, forearm and index finger pointing straight up, hand and finger make small cirdes. With arm and index finger pointing down, hand and finger make smal cirdes. With arm extended horizontally to the side, palm dovwn, arm is swung back and forth. BOOM UP BOOM D OWN EMERGENCY STOP SWING With arm extended horizontally to the side, thumb points up with other fingers dosed. With arm extended horizontally to the side. thumb points down with other fingers dosed. With both arms extended horizontally to the side, palms down, arms are Swuna back and forth. With arm extended horizontally, index finger points in direction that boom is to swing-

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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