Rails:TracksSleeperCrossingBallastSignpostGaugeTurnoutSubgrade
Brain:CerebrumWitsSagacityCleverSmartGeniusNerdThinker
Chimneys:FlueHearthSmolderBricksFireboxCowlGrateLintel
Asterisk:CommentFootnoteQuoteBad wordMultiplyNotice
Gears:ToothedRotatingSpinningMachineCogwheelAxletree
Walrus:TusksWhiskersPinnipedMarine
Braces:KneeWristLumbarShoulder
Lines:StraightCurvedDashedDotted
Pigment:ScarletCrimsonMagenta