In order to have your watch cleaned, you should take the watch to a professional. Watches have many moving and complicated parts, which is why even jewelers are reluctant to work with brands which they are not familiar with.
The best way to clean a crystal necklace is use a warm cotton towel to rub and dust off all of the finger prints and other smudges that could be on the necklace.
I preference pokemon crystal
no
yes dust is everywhere tiny particles of it cling to everything even when it semms clean
This depends on what material the shade is made out of. If it's made out of glass or crystal then a weak solution of washing up liquid and vinegar will clean and bring the sparkle back. If it's a fabric or plastic shade these should be cleaned with a damp lint free cloth to remove dust and dirt.
You can remove the lens to clean dust from a flashlight.
To pre-clean lead crystal, start by rinsing it with warm water to remove any dust or debris. Use a gentle dish soap and a soft sponge or cloth to carefully wash the surface, avoiding abrasive materials that could scratch the glass. Rinse thoroughly with clean water to remove any soap residue, and dry with a lint-free cloth to prevent water spots. Always handle lead crystal with care, as it can be delicate and prone to chipping.
they clean the dust
clean, dust,
filter the water from the dust, some have to save in the vesless when there saved water , have to watch the water daily twice. For proctect water from the bacteria
A dust cloth will be sufficient to clean window shades. A product such as Pledge Dust Remover will help with this and protect the shades from collecting dust in the future.
I don't see why not. Crystal is not affected by dust, heat or humidity But, they must be packed properly to prevent breakage