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.
A web crawler (also known as a web spider or web robot) is a program or automated script which browses the World Wide Web in a logical, automated manner. This process is usually known as Web crawling or spidering.