This is the 5925th most frequent Russian word.
ручного
"Of manual" or "hand-operated"; also "tame" depending on context.
In this sentence, "ручного" is used to describe the parrot (popугай), meaning it is tame or accustomed to human interaction.
Он купил ручного попугая, который умеет разговаривать.
He bought a tame parrot that can talk.
Here, "ручного" modifies "чемодан" (suitcase) to indicate it is hand-carried, usually compact enough to take onto an airplane as hand luggage.
Я всегда беру с собой ручного чемодан.
I always carry a hand suitcase with me.
In this instance, "ручного" describes "изготовления инструменты" (tools of handmade manufacturing), emphasizing that the tools were crafted manually.