Gallery. 1  Hand-cranked planetary sharpener, with cover in place. 2  Hand-cranked planetary sharpener from 1950â60, with cover removed. 3  Hand-cranked planetary sharpener with spring-driven pencil holder. 4  AC-powered electric pencil sharpener. 5  Battery-operated sharpener.
Description. Tracking Error is a measure of how closely an ETF follows its benchmark index. This data point seeks to isolate the ability of the portfolio managers to track the index, ignoring the confounding effects of ETF liquidity on market prices.escription. Tracking Error is a measure of how closely an ETF follows its benchmark index. This data point seeks to isolate the ability of the portfolio managers to track the index, ignoring the confounding effects of ETF liquidity on market prices.
ETF: Education and Training Factor (factor of educational experience; Immigration Canada) ETF: Electrical Test Facility: ETF: E-Mail To Fax: ETF: Equalized Transfer Function: ETF: Engine Torque Factor: ETF: Electrical Time Fuze: ETF: Encrypted Transmission Failure: ETF: Enlarge to Fit (Kinko's) ETF: Electronic Transfer File: ETF: Electronic Trip Fare: ETF