Limited Master Credential. The Limited Master Credential is the equivalent of the OUPV Limited License, with the important distinction that the operator is licensed for boats that have passed a Coast Guard Inspection and have an inspection sticker on display. This license caps at 100 Gross Tons.
Spider. A spider is a software program that travels the Web (hence the name spider), locating and indexing websites for search engines.
Spiders take a Web page's content and create key search words that enable online users to find pages they're looking for. When most people talk about Internet search engines, they really mean World Wide Web search engines.