Additionally, developing a
high - quality virtual - learning program can be costly,
requiring sizable
capital expenditures on computers and servers, sophisticated instructional design (the orchestration of different media — such as online, offline, images, sound — into compelling and effective instructional units), content and course - management systems (computer systems for organizing and facilitating collaboration on documents and courses), course - authoring platforms (computer frameworks that allow educators to «post» their courses onto the Internet), and beta and usability testing (publishing test versions of new programs to eliminate the «bugs» and ensure ease of use).
Deploying additional
capital expenditure into
high cost production is risky, especially for new mines, which typically
require expensive new rail infrastructure and port facilities to get coal to market.