A-
Risk Sharing is an entirely different concept. It involves sharing (dividing) common risk among two or more persons. I think the "partnership" form of business organization is the most common (and oldest) practice of risk sharing.B- Availability of good is whether someone or something can be accessed or used.
C- Marketing Support Service. A Marketing Support Service would typically include some or all of the following elements: ... Stationery & Marketing Collateral management - design, print, logistics. Website portfolio design and development. Advertising Campaign media planning/buying, creative, delivery & management.
D- Specialized knowledge means special knowledge possessed by an individual of the petitioning organization's product, service, research, equipment, techniques, management, or other interests and its application in international markets, or an advanced level of knowledge or expertise in the organization's processes.