Boom, Mast, stern and parts Crest For sea-anchor: https://youtu.be/RZAHZphZca8 Sextant / ˈsÉ›kst(É™)nt / Learn to pronounce noun noun: sextant ; plural noun: sextants an instrument with a graduated arc of 60° and a sighting mechanism, used for measuring the angular distances between objects and especially for taking altitudes in navigation and surveying. Origin late 16th century (denoting the sixth part of a circle): from Latin sextans , sextant- ‘sixth part’, from sextus ‘sixth’. A sextant is a doubly reflecting navigation instrument that measures the angular distance between two visible objects. The primary use of a sextant is to measure the angle between an astronomical object and the horizon for the purposes of celestial navigation. THE REAL PICTURES : The wavewalker: http://news.bbc.co.uk/local/gloucestershire/hi/people_and_places/...
Table Bar Chart Pie Chart Line Graph To begin with, let’s take a quick look at the main differences and similarities among tables, graphs and charts. While tables present information about different categories mainly in columns and rows, bar charts present the information in two axes: the values are given along one axis and each bar represents what is being measured along the other axis. It is often possible to turn tables into charts, but sometimes the categories are too different to do this. A pie chart is another way of presenting information, but here each segment is a percentage of a whole. Together they represent 100%. Last but not least, line graphs show how data change over time. When approaching the Academic version of Writing Task 1, it’s important that you introduce the visual data by using one of the following phrases or collocations: According to the table/ graph/chart… The table/graph/chart shows… The table/graph/chart...