I'm confused about the word "all". In what part of speech does that word goes, in a conjunction or in a preposition?

أفضل جواب: Hardworking and honest, hope you will give me an opportunity to work in your company الإطلاع على المزيد

أفضل جواب: Quality control- Measures taken to maintain well functioning of fleet , maintenance, scheduling and produ ... الإطلاع على المزيد

أفضل جواب: <p>Not my sales &amp; marketing management. RESPECT { Customer Service and Customer Care} is a ... الإطلاع على المزيد

أفضل جواب: Do not expect job offers coming to you if you are only registered on this (or any) site. Only an active a ... الإطلاع على المزيد