Preparation of steel substrates before application of paints and related products. Visual assessment of surface cleanliness. Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings— 100 стр.
Inland navigation vessels. Manually- and power-operated coupling devices for pushing units and coupled vessels. Safety requirements and main dimensions— 28 стр.
Plastics. Determination of melting behaviour (melting temperature or melting range) of semi-crystalline polymers by capillary tube and polarizing-microscope methods— 20 стр.
