TLE (L4_Q3)

• Isometric Drawing - a drawing which resembles a perspective drawing
• Orthigraphic projection - an arrangement in a drawing of the three principal views of an object
• projection - the process of reproducing
• sketch - freedhand drawing of an object
• Axis - line about which a body turns of rotate
• Standard - serves as a measure of reference
• perspective drawing - the representation of an object on a plan surface, pertaining to materials, styles and finish presented as to have the same appearances as when seen from a particular viewpoint
• Alphabet of lines - is created to standardize interpretation of technical drawing plans
• Visible line - it is a thick line that represents the visible part of an object
• Hidden line - it is a brocken line of medium thickness
• Section line - they are thick lines used to indicate the material used in the object
• center line - it is composed of alternating long and short dashes which shows the center of an object
• Extension Line - it is a line used to extend a point from an object for dimensioning
• Dimension line - it is composed of two line with opposite arrowhead to show the extent of a dimension
• leader line - it is a short inclined thin line with an arrowhead at the end and short horizontal line on the other end use to show dimensions of a circular objects
• cutting plane line - it has thick lines used to indicate an imaginary cut through an object along the line
• break line - it is a line which reduced the length and size of an object to conserve space
• phantom line - it is a thick line that is used to indicate that a part of an object is movable