The East-West glass slide is a glass slide or quartz slide that is used to place a glass slide or quartz slide when it is observed under a microscope. During production, a cell or a sample containing a certain tissue is randomly placed on the slide glass, and a cover slip is placed on it for observation a similar material that produces a phase difference.
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The affected products are as follows:
1. Hexagonal heads, round heads, and four-headed steel bolts with an outer diameter of 6 to 30 mm (does not include bolts with additional components, flanges, rings, or spiked designs).
2. Hexagonal head steel nuts with an internal thread diameter of 5 to 30mm (does not include nuts with extra components, flanges, and retaining rings).
3, single-turn spring washer with inner diameter of 6 ~ 42mm.
A tax rate of US$282.4 per ton will be imposed for a period of three years. Although this measure did not include products originating in Belarus and other developing countries, China, Taiwan, Hong Kong, and Macao were not excluded. 
Russia completes safeguards for imported fasteners
Rose’s investigation into the safeguard measures for imported fasteners was initiated by the Russian Federation’s industrial sector 20 months ago and was completed in February. Russian Prime Minister Putin had officially signed a document on February 12 to impose protective tariffs on its fastener products.