Why do escalators have brushes on their sides?
What are the brushes for on escalators?
How many escalators to be used in mall? What functions do horizontal escalators serve? How do locks on the wheels of shopping carts work? What is the use of the arrows in the elevator? Why does an escalator hand rail go faster than its steps, on most installations? Which would be a better system for escalators? Walk on the left, stand on the right or walk in the stairs, stand in escalator? What are some examples of different kinds of pulleys and how are they used? Why are some paint brushes kept in a freezer between uses? What is the use of spring washer? What is armature winding in alternator? Are elevators and escalators safe? What is the effect of using two spring washers? What are the elements of a gating system? What are amphitheaters? How do they work? What is the difference between damper, shock absorber and strut? What are the best elearning tools? What are armature windings? What do I need to know about exhaust fan hinge kits? What are some applications of cone clutch now a days? What is the application of a shaft in Robotics? Why does the handrail on an escalator always go faster than the stairs? Which types of equipment are used for powder coating service? What app do people mostly use in the washroom? What are the best makeup brushes? What is the purpose of slip rings in an alternator? How could one build a ReWalk exoskeleton? Are elevators and escalators in the US safe? How do you make a tension wrench? What is the difference between piston and plunger pumps? What app people use in washroom?