Bike pedals used to put a metal screw cap to protect the bearings from contamination. Now, instead, use the plastic plugs, which are often lost. Rescue plastic or nylon tubes from medical bubbles. Such substitutes being kept quite steady.
Recommend to read
INSTEAD OF A DRILL HAMMER
Who suffered, making holes in concrete slab, knows that the best assistant in this case — a power drill. Well, if it does not exist? You will rescue two hammer and carbide drill...
SEA KING HAS. Mk.1
In 1959, the English firm Wesland received a license for the construction of helicopter S-61 design I. Sikorsky, which was later created in several versions. One of them was designed for...
