There are two main types of submersible pumps. A well pump is hung or suspended in a water well on a pipe, sometimes to depths past 1000â. well pumps are powered by AC (alternating current) voltage but DC (direct current) voltage is used on smaller pumps for low flows of water up to a depth of 200 feet.
Since the systems make both airlines and travel agents more pro-ductive, CRS owners charge both of them for the use of their systems. Travel agents rent the equipment, while airlines pay a booking fee for each flight reservation. American Airlines introduced the first com-puter reservation system; United, TransWorld, Eastern, and Delta each followed with systems of their own. American and United, how-ever, dominate the CRS industry; in 1986, they accounted for 41 per-cent and 33 percent, respectively, of the flight segments booked through computer reservation systems. The influence of computer reservation systems on bookings can be
Dell was one of the first companies to integrate ecommerce in their sales process. Its e-commerce operation started off as a static page in 1994, integrated online sales features and soon enough they were selling more than $1 million a year, which as you might remember, was $1 million more than most of the companies.he first company in this list to cross the $10 billion in online sales threshold is Staples, the largest office supply chain in the world. Staples has more than 2000 stores in 26 countries but it plans to slash its brick and mortar space by 15% and focus on online sales.