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Being able to roll your roller bag on four wheels instead of two takes the weight off your wrist. Instead of having to tilt the bag forward and putting all the weight on your wrist (especially if you have a large suitcase that is loaded to the brim with stuff) you can just gently roll your luggage alongside or in front of you. There is absolutely no added pressure or colossal strength needed!
Power transmissions have many moving parts that need to be maintained in top condition. Gearboxes need to be checked for lubrication, vibration and damage to parts. Friction materials, seals, gaskets and bearings all need to be inspected for wear and replaced. ... Maintaining bearings well extends their life
A simple machine is either a: lever, screw, incline, pulley, wheel and axle, and gear. A complex machine is made up of more than one simple machine. Well, a simple machine is a machine that makes everyday life easier . When using a simple machine you are exerting less force/energy. so it is a complex machine
Power transmissions have many moving parts that need to be maintained in top condition. Gearboxes need to be checked for lubrication, vibration and damage to parts. Friction materials, seals, gaskets and bearings all need to be inspected for wear and replaced. ... Maintaining bearings well extends their life
A simple machine is either a: lever, screw, incline, pulley, wheel and axle, and gear. A complex machine is made up of more than one simple machine. Well, a simple machine is a machine that makes everyday life easier . When using a simple machine you are exerting less force/energy. so it is a complex machine
ammu9396:
you can see some dp there you can select there
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go to settings
which class are you studying
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what happened
cheppu
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(a) bag is heavy
(b) they can be harmful
(c) it is pedlar machine
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