In the sentence 'अत: कीमती फ़र्नीचर आदि इससे नहीं बनाए जाते।', the adjective word is –

'Kimti' (कीमती - expensive/costly) describes the noun 'furniture', making it a qualitative adjective. 'Furniture' is a noun, 'isse' is a pronoun, and 'banaye' is a verb form. Only 'kimti' is the adjective.