アナログレコードプレーヤー（ベルトドライブ）で、プーリーを60hz用から50hz用に交換したいのですが、交換用プーリーがありません（メーカーに問い合わせ済）。特殊なものでないとする... ミシンプーリーとモータープーリーの位置関係 アンティーク ...

Pulley blocks are assemblies that consist of a hook or shackle, swivel, bearing, sheaves, sprockets, pins and frame. They are suspended by a hoisting rope or load chain and are designed for a variety ...

When Erika Diarte-Carr admitted herself to an emergency room with a shoulder injury, she had no idea her worst fears were ...

Pulleys are a simple and manoeuvrable way to move large objects. They are easy to transport to where they are needed and set up, but they do require somewhere stable to hang. A single pulley ...

Pulleys are a simple and manoeuvrable way to move large objects. They are easy to transport to where they are needed and set up, but they do require somewhere stable to hang. A single pulley ...

Total shoulder replacement is a highly successful procedure to reduce pain and restore mobility in patients with end-stage shoulder arthritis and, in some cases, after a severe shoulder fracture.

When God at first made man, Having a glass of blessings standing by, "Let us," said he, "pour on him all we can. Let the world's riches, which disperséd lie, Contract into a span." So strength first ...