An elevator device to effectively operate the card for human needs needs to ensure adequate parts. Each department will perform different tasks that make different functions
Teaching children basic skills when taking an elevator is essential when many families now have young children living in apartments or when they go to school, go out on their own and are forced to use them. elevator
If the elevator suddenly stops or jumps, the lights go out, we should follow these steps, First we need to stay calm, take a deep breath, close your eyes and slowly open them to get used to the darkness
You need to know the number of floors you want to go to and should only press the call button once only, Look at the table showing the position and direction of the movement of the ladder, hear the floor stop alarm to get ready.
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