operator kitigawa is worried about the sharp rise in government projects. his concerns stem from surging construction costs. growing the demand means higher prices for building materials, including cement and steel. the work force in the sector also fell 20% in two decades. kitigawa says he is having trouble hiring enough workers. >> translator: governments are announcing almost twice the number of projects. firms like mine can't keep up. we're not ready. >> reporter: some say buildings may not be able to boost the economy with increased activity. >> translator: we might see some problems if construction companies are stretched too thin. it could slow private sector capital investment, which is part of the government's growth strategy and much needed construction in disaster-affected areas could be delayed. >> reporter: all eyes will be on how the government tries to speed up economic growth without relying on public works projects. nhk world, tokyo. >>> mitsubishi corporation is making inroads into china's fast-growing market for medical supplies. industry