Painting spray interiors.
Currently, electromagnetic spray guns are used for spray painting, in which the paint is pumped into the spray nozzle under the influence of vibrations of the metal diaphragm. According to the power of the gun, paints of different densities are used. …

Preparation of the paint.

Paint, usually supplied in cans of various capacities, we have to prepare for painting and pour it into a bucket or litter box, and for spray painting – into the gun reservoir. First we need to clean thoroughly with a soft flat brush …

A new coating will be applied to the concrete floors in the supermarket's warehouse. These floors will also have to bear the load of forklifts. At the examination
on the substrate, a layer of scale was found. Please list the coating steps one by one

Coating activities …

The concrete floors of the balconies are to be painted. The balconies were exposed to the elements for several years, but no damage has been found yet. Please list the steps for applying the coating to the concrete floors of the balconies one by one

These steps are as follows:

1) Purification …

Please justify, why silicate paints, despite the many positive qualities, less than others, they are suitable for making topcoats in places of repair and reinforcement of concrete elements

Concrete covered with silicate paint cannot be realkalised. Admittedly, the silicate paint coating is in the condition …

Please justify, why do not use dispersion fillers for smoothing substrates, if metallized or plastic wallpapers are not to be applied

Metallized wallpapers and plastic wallpapers create a very tight coating. Water contained in the adhesive mass …

In the representative room, on plaster made of PII mortar, already painted with dispersion paint, metallized wallpaper is to be applied. Please list the necessary steps for applying metallic wallpapers

These steps are as follows:

1) abrasion of the plaster surface;

2) repairing small damage to plaster …

Room walls, plastered with mortar from the PII group, covered with cork wallpaper. It is planned to cover the walls with textile wallpaper. Please list the necessary steps

These steps are as follows:

1) removal of cork wallpaper by soaking, detachment and detachment;
2) repairing small damage to plaster with the use of …

Old PVC windows are to be painted. Please list the necessary steps These steps are as follows:

1) cleaning the plastic with a mixture of a surfactant and ammonia solution and grinding with an abrasive cloth;

2) primed with polyurethane varnish;

3) topcoat with polyurethane varnish.

Apart from …

In the tank of the new sewage treatment plant, the built-in and already primed steel elements were intended for painting. About 10% the surface of steel elements shows corrosion. The coating must be resistant to the effects of wastewater with a pH value of 1. Please list the necessary painting activities …