There are sometimes problems in introducing new technology. Bandura opens up the scope of learning mechanisms by introducing observation as a possibility. They found the process of introducing diversity challenging. The latter proposed subtly introducing orchestral music. This was part of his policy of introducing animals and plants to newly discovered countries. He implemented many reforms such as introducing parganas. Massenet enjoyed introducing comedy into his serious works, and writing some mainly comic operas. This case was responsible for actively introducing communism to a larger Indian audience. AMC was also effective in other areas such as marketing by introducing low rate financing. Each episode has them introducing the theme, and revealing the guest judge. Frank Gilbreth is also responsible for introducing the flow process chart in 1921. The Legislature is charged with introducing and passing laws. There have been protests over the recent welfare changes of introducing Universal Credit. Difficulties with introducing the type had been experienced. Simultaneously in NYC, events were introducing electronic dance music to this city's dance scene.