When there is a build up of contained water in a pit it mixes with oil and trash, creating a foul odor and puts the integrity of the shaft at risk. The process of disaster could be immediate or gradual–…

When there is a build up of contained water in a pit it mixes with oil and trash, creating a foul odor and puts the integrity of the shaft at risk. The process of disaster could be immediate or gradual–…
If you're not keen on climbing flights of stairs to get to your apartment or to the doctor's office, then you've used an elevator. With the click of a button, an elevator is at your disposal to get you there…