Diameter Sign Electrical Arrow House Up Arrowhead Down Arrowhead Wavy Line Reversed Not Sign Square Lozenge Telephone Recorder Position Indicator Viewdata Square Place of Interest Sign Turned Not Sign Frown Smile Up Arrowhead Between Two Horizontal Bars X in a Rectangle Box Cylindricity Not Check Mark Right Angle with Downwards Zigzag Arrow Shouldered Open Box Gell Symbol Vertical Line wth Middle Dot Insertion Symbol Continuous Underline Symbol Discontinuous Underline Symbol Emphasis Symbol Composition Symbol White Square with Center Vertical Line Enter Symbol Alternative Key Symbol Helm Symbol Circled Horizontal Bar with Notch Circled Triangle Down Broken Circle with Northwest Arrow Undo Symbol Decimal Separator Key Symbol Horizontal Scan Line-1 Horizontal Scan Line-3 Horizontal Scan Line-7 Horizontal Scan Line-9 Vertical Line Extension Metrical Breve Metrical Long Over Short Metrical Short Over Long Metrical Long Over Two shorts Metrical Two Shorts Over Long Metrical Two Shorts joined Metrical Triseme Metrical Tetraseme Metrical Pentaseme White Trapezium Straightness Flatness Decimal Exponent Symbol Top Parenthesis Bottom Parenthesis Top Curly Bracket Bottom Curly Bracket Top Tortoise Shell Bracket Bottom Tortoise Shell Bracket Black Right-Pointing Double Triangle Black Left-Pointing Double Triangle Black Up-Pointing Double Triangle Black Down-Pointing Double Triangle Black Right-Pointing Double Triangle with Vertical Bar Black Left-Pointing Double Triangle with Vertical Bar Black Right-Pointing Triangle with Double Vertical Bar Benzene Ring Benzene Ring with Circle Light Vertical and Top Right Light Vertical and Bottom Right Light Vertical with Circle Light Down and Horizontal with Circle Light Up and Horizontal with Circle Light Vertical with Triangle Light Down and Horizontal with Triangle Light Up and Horizontal with Triangle Light Vertical and Wave Light Down and Horizontal with Wave Light Up and Horizontal with Wave Light Down and Horizontal Light Up and Horizontal Light Vertical and Top Left Light Vertical and Bottom Left Projective Perspective All Around-Profile Symmetry Total Runout Dimension Origin Conical Taper Slope Counterbore Countersink Monostable Symbol Hysteresis Symbol Open-Circuit-Output H-Type Symbol Open-Circuit-Output L-Type Symbol Passive-Pull-Down-Output Symbol Passive-Pull-Up-Output Symbol Direct Current Symbol form 2 Earth Ground Fuse AC Current Electrical Intersection Arc Segment Sector Top Half Integral Bottom Half Integral Square Root Left Parenthesis Upper Hook Left Parenthesis Extension Left Parenthesis Lower Hook Right Parenthesis Upper Hook Right Parenthesis Extension Right Parenthesis Lower Hook Left Square Bracket Upper Corner Left Square Bracket Extension Left Square Bracket Lower Corner Right Square Bracket Upper Corner Right Square Bracket Extension Right Square Bracket Lower Corner Left Curly Bracket Upper Hook Left Curly Bracket Middle Piece Left Curly Bracket Lower Hook Middle Curly Bracket Extension Right Curly Bracket Upper Hook Right Curly Bracket Middle Piece Right Curly Bracket Lower Hook Integral Extension Horizontal Line Extension Upper Left or Lower Right Curly Bracket section Upper Right or Lower Left Curly Bracket section Summation Top Summation Bottom Top Square Bracket Bottom Square Bracket Bottom Square Bracket Over Top Square Bracket Radical Symbol Bottom Left Vertical Box Line Right Vertical Box Line Top Left Corner Top Right Corner Bottom Left Corner Bottom Right Corner Left Ceiling Right Ceiling Left Floor Right Floor Bottom Right Crop Bottom Left Crop Top Right Crop Top Left Crop Watch Hourglass Alarm Clock Stopwatch Timer Clock Hourglass with Flowing Sand