We are making additions to: Van der Laan, R., W. N. Eschmeyer & R. Fricke 2014 (11 Nov.), Family-group names of Recent fishes. Zootaxa Monograph 3882 (1), 1-230. DOI 10.11646/zootaxa.3882.1.1 Download ...
One of the most common causes of hydraulic cylinder leakage is seal damage. Seals are rubber or plastic rings that prevent fluid from escaping between the cylinder barrel, piston, rod, and end caps.
Furniture giant Ikea has announced it will stop printing its traditional catalogue, one of the world's biggest annual publications, after 70 years. The company said "fewer people" were reading the ...