28. Mechanical Drafters (63,630) 28. Mechanical Drafters (63,630) Mechanical drafters 28. Mechanical Drafters (63,630) 28. Mechanical Drafters (63,630) Mechanical drafter 28. Mechanical Drafters (63,630) Mechanical Drafters Mechanical Drafters 28. Mechanical Drafters (63,630) Mechanical Drafters