Topics: fallacy, false dilemma, appeal to ignorance, slippery slope argument, circular argument, hasty generalization, red hirring, appeal to hypocrisy, casual fallacy, argument, sunk cost, equivocation, appeal to pity

Topics: Lines, Lettering, Geometrical Constructions, Loci, Trochoids-involutes-Helices-Mechanisms, Orthographic Projection, First Angle, Third Angle, Dimensioning, Sectional Views, Full Sections-Section, Lines-Half Sections, Local Sections, Revolved Sections, Removed Sections, Part Sections, Off-set Sections, Aligned Sections, Conventions, Screw Threads, Hexagon Nuts, Bolts, Screws, Studs, Machine Screws-Hexagon Socket, Screws, Set Screws-Slotted, Grub Screws, Locking Devices, Keys, Cottered Joints, True Lengths, Isometric Projection, Oblique Projection, Technical Sketching, Machine Drawings