https://www.travelchinaguide.com/china-trains/shanghai-xuzhou.htm Over 64 pairs of bullet trains and 37 pairs of normal ones are shuttling between Shanghai and Xuzhou daily. Usually, the bullet types take 2 – 6.5 hours or so, while the normal types take relatively longer time of 5.5 – 11 hours. Correspondingly, bullet types cost more than normal types, but they have better environment and more advanced facilities.  High Speed Train Basic Facts: …

(a) Field Testing of Plywood You can check the plywood quality on the site, by performing some basic tests, which are called as a field test, i.e. Thickness of Plywood Sheets: A thickness of plywood sheets remains same all throughout the sheet. For finding any variation present in thickness, measure the four edges of the ply. Undulation of Plywood Sheets …

(BS) EN 314-1: 2004 (confirmed 2014) Plywood – Bond quality – Test methods This standard specifies methods for determining the bonding quality of veneer plywood, by shear testing. Before carrying out the shear tests the plywood samples are required to undergo a sequence of pre-treatments e.g. section 5.14 calls for immersion for 72 hours (±1) in boiling water followed by …