The function of a retainer is to maintain proper distance between rolling elements. Almost all roller bearings have stamped retainers made of iron-silicon bronze or lead brass. Run-of-the-mill ...

Working in design – it’s so bloody tough and unfair, but we’ve had a good time in the past, with plenty of projects, nice clients and freedom to push the creative boundaries. Then suddenly it all ...

You have done the hard work. Your patient's teeth are straight, and now it is mostly up to them to keep it that way. Unfortunately, you can give patients all the instructions you want about regular ...