| At a choice of this or that method of colouring with a view of maintenance of the minimum cost price of painting works it is necessary to make technical and economic calculations. интернет магазин джинсовой женской одежды больших размеров
Basic articles of the cost price are the labour and materials. таунхаусы
Colouring by a manual method (brush), shpatlevanie, grinding on shpatlevke and on a paint coat, and also polishing is represented by labour-consuming operations. Начало Климат обогреватели конвекторы.
Application of grinding machines allows to reduce labour input of grinding on 50-60% for surfaces of the simple geometrical form and on 30-40% for surfaces of the difficult form. Surface thorough training gives the chance to reduce to a minimum of an expenditure of labour on shpatlevanie and grinding. Process of colouring by a brush is superseded by new progressive methods.
At colouring by pneumatic dispersion of surfaces of a simple configuration 0,3-1,0 foreheads/mines on 1 Рј2 are required, at colouring of surfaces of a difficult configuration - 1-2 foreheads/mines on 1 Рј2.
At colouring by methods okunanija, douches, dispersions in electric field, with application of conveyors, the labour is necessary only for preliminary komplektovki products, their installation on the conveyor and dismantle.
On service of corresponding installations insignificant expenditures of labour (supervision of work, giving of paint and varnish materials, survey of the equipment and cleaning) are required.
Sections
the Expense of paint and varnish materials
Operation of various installations
Profitability of painting works
Operation sushilnyh devices
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