Accelerated wear tests on different fabrics. The fabrics under test are fixed to the rim of the wear wheel, which is rubbed by an arm covered with sandpaper.
This is a 'bumper' edition, with articles covering: mobile kitchens, wall painting, power tools, D&T projects, 3D printing, food resources, drone racing, textiles careers, competitions, and some H&S updates in the 'smallprint'.