Вопрос по английскому заданию

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Определите, какой частью речи являются слова на ing.
1. Machines capable of handling data with very little human help are used in this
process.
2. The speed of an electricity generating unit must be held constant.
3. “Automation” is a modern term signifying the use of machines to do work that
formerly had to be done by people.
Задание 2.
Определите, какой частью речи являются слова на ed.
1. The amount of heat generated depended on the quality of the fuel.
2. The cosmonauts’ flights proved that the man can live and work in space.
3. These complicated data are obtained by means of new devices.