o gal kas galetu patarti is praktines chemijos puses?
Noriu pabandyt isesdinti ornamentus anti metaliniu sharvu
![[ img ]](http://www.antiquesatoz.com/sgfleece/images/philipI.jpg)
Kokia rugsty naudoti namu salygom, tai but gerai kad ne garais, o nuosedom reakcija gautusi. Ir dar kur tos rugsties pirkt ar is ko pasigamint?
"The decorator used a technique called “etching.” He painted designs on the steel plates with wax or varnish and then dipped the plates in acid. The acid ate away at the metal wherever it was not coated. Rubbed with a mixture of soot and linseed oil, these etched areas turned black, completing the design. "
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