review u3

an equipment with several moving parts that uses power to do a particular type of work

(adj) using or relating to computers and the internet

(n)something that helps you to do a particular activity

same as skill

(v) to get better, or to make something better

(v) to share information with others

(n) facts about a situation, person, event, etc.

(adj) happening immediately, without any delay

(n) websites and computer programs that allow people to communicate and share information on the internet using a computer or mobile phone

(n) a place or position