device having resistance to passage of electric current.

each of parts into which something is or may be divided. Parts divided from the other parts of some things. divide something into separate parts or sections.

To give a speech or presentation.

A drawing intended to explain how something works. To show or explain something by drawing a picture.

An educated guess about something.

typical of particular person or thing. feature or quality belonging typically to person.

Thing, person which represents a category. be illustrated or exemplified.

brought together so that link is established. To become friends with another person.

be controlled or determined by.

relating to tutor or tutor's tuition. period of tuition given by university or college tutor.

Presented as one item but includes several. Group of several items or services offered as one. To present or sell a group of things as one item.

Being what was wanted or needed. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. To accept or receive something happily and gladly.

Series of events moving from place to place. Electronic equipment consisting of switches. To complete a journey all the way round an area.

To make clear or easy to understand by describing.

characterized by absence of distinguishing features. no. word or statement expressing denial. refuse to accept.