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
BANK-GRATER
Now a lot of household groceries, from a tea infuser to a variety of bulk products are packaged in metal cans with lids. Of such containers is easy to do for kitchen a handy little...
INSTEAD OF SAIL — ROTOR
Apparently, in the technical work appeared in the phenomenon that can be called bottle-modeling. The fact that modelers in different fields are increasingly used... plastic bottles. From...
