an escalator (mechanical device)

break, break down, have a fault

break, break down, have a fault, go out of order

stairs, staircase / ladder, a series of steps to advancement to be followed in order

to use / to employ / to make use of, to apply / to spend

please give me / (expressing a request) please do something for me

Please do (action)

Please do not (do)

please give me / (polite, imperative) please do something for me; expressing a request

Please have a seat. / Please sit down.