Cart Continue shopping “General Lubrication Theory Overview” has been added to your cart. Continue shopping “Seals and Sealants – A Short Course” has been added to your cart. Product Price Quantity Total × Machinery Lubrication Engineer (MLE®) Certification Exam Preparation $1,950.00 Machinery Lubrication Engineer (MLE®) Certification Exam Preparation quantity $1,950.00 × General Lubrication Theory Overview $0.00 General Lubrication Theory Overview quantity $0.00 × Seals and Sealants - A Short Course $195.00 Seals and Sealants - A Short Course quantity $195.00 Code: Apply code Update cart Cart totals Subtotal $2,145.00 Total $2,145.00 Proceed to checkout Coupon codes are not eligible to be used for exam fees. A separate transaction is required.