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Explanation: A means by which something is done or caused; instrument (dictionary online.)
also as sabry said causative substance: a chemical substance, organism, or natural force, that causes an effect.
عادة ما يستخدم في تنظيف الأجهزة عدة أدوات وايس فقط السائل أو المحلول
ولذا إخترت كلمة أدوات ليكون المضمون عاما كما في النص الأصلي
Moushira El-Mogy Local time: 13:38 Specializes in field Native speaker of: Arabic PRO pts in category: 8