Rao reported that the anatase-to-rutile transition of a powder prepared by oxidizing pure titanium metal started around 610 (10). Rao showed that impurity and particle size played an important role in the transition (10). The presence of impurity and larger particle size increased the transition temperature.
A call centre or call center is a centralised office used for receiving or transmitting a large volume of requests by telephone. An inbound call centre is operated by a company to administer incoming product support or information inquiries from consumers.Outbound call centers are operated for telemarketing, solicitation of charitable or political donations, debt collection and market research.n virtual call centre model, the call centre's operator pays a monthly or annual fee to a vendor that hosts the call centre telephony equipment in their own data centre. In this model, the operator does not own, operate or host the equipment that the call centre runs on.
Most call center jobs fall into one of three categories. The most popular is customer service: for example, the people you speak with when you have a problem with your cable. You might also work in inbound sales, where you take calls from people who want to make a purchase.