Перевести вот эти предложения: 1. as his experience grow, he realized that improvements in boiler technology permitted the safe production of high pressure steam, which could move a piston in a steam engine. 2. he was an early pioneer of steam powered road and rail transport. – he built the first working railway steam locomotive in 1801 and named it “puffing devil” 3. this is widely recognized as the first demonstration of transportation powered by steam.