40 Custom manufacture of machine parts, namely, blades of varying thickness generally made of synthetic, plastic or metal material, stationary and oscillating scraping systems comprised of stainless steel or mild steel structure, set of journals, blade holders, pneumatic and rigid and doctor blades, made of stainless steel or painted mild steel and mounted on a system of bearings; custom manufacture of oscillating systems composed primarily of pneumatic, hydraulic or mechanical mechanisms, namely, pneumatic cylinder, hydraulic cylinder, gear reducer used in paper scraping systems comprised of doctor blade, blade holder, stainless steel or mild steel structure, set of journals, bearings, and oscillation unit, or in the showering systems comprised of stainless steel pipe, nozzle, hose, stainless steel support, oscillator; custom manufacture of stationary, oscillating and single jet showering systems designed to clean or lubricate a given surface comprised of wire, felt designed to gradually remove water, all employed in the manufacturing of paper or employed by paper manufacturers and manufacturers of paper making machines; manufacturing according to the order and specification of others of paper scraping blades and scraping systems comprised of doctor blade, blade holder, stainless steel or mild steel structure, set of journals, bearings, and oscillation unit