A tractor crawler, a motorized vehicle that uses caterpillar tracks instead of wheels to achieve superior floatation and traction. Crawlers are more expensive in maintenance and harder to operate than wheel tractors, but are often critical for working on soft soils, transporting great weights, and especially for bulldozing
terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers
(or bot or spider): a program that visits Web pages, on a regular basis, reads their content, follows their links to the other pages in the Web site, then takes the information to the index
A class of robot software that explores the World Wide Web by retrieving a Web document and following the links within that document Based on the information gathered, a crawler creates indices for search engines
A strike produced by missing the head pin Usually the 4, 2, and 1 fall slowly onto each other in that order (or 6, 3, 1) in domino fashion
A crawler is a computer program that visits websites and collects information when you do an Internet search
also referred to as "spider", "robots", or "bots "it is an automated program, designed by programmers of search engines, to search the Internet looking for new Web sites They also read and scan meta tags
A strike on which the ball misses the head pin So called because the 4, 2, and 1 pins usually fall slowly, like dominos, after the rest of the pins are down
A "crawler" (also referred to as a bot, robot, wanderer, or spider) is a piece of software that "crawls" the Web collecting URLs and other information from Web pages Search engines are built around the information that crawlers retrieve
Tractor operating on continuous treads instead of wheels -Refers to an arch on the same type of treads