To fully exhaust aerosol spray can, which is usually just thrown away, there are wonderful sites: valve and spray head. The latter, for example, can turn into a spray of ordinary rubber tubing. You only need to choose a tube head tightly into the hole of the proboscis pear.
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Socket in a lamp holder
To avoid running extra wiring for auxiliary electrical appliances when using a portable lamp, it is enough to fit a homemade adapter into the lamp holder, as shown in the figure. To...
