Showing that a chemical is present in a test. positive quality.

Approval or check of something.

Person whose job is to maintain, repair machinery.

solid substance that has conductivity between that of insulator and that of most metals.

To combine into one; make bigger or stronger.

plan of action or policy designed to achieve major or overall aim. Careful plans or methods for achieving a goal.

liability to change rapidly and unpredictably.

person or organization that puts money into financial schemes, property, etc. with expectation of achieving profit. People who spends money to help business grow.

Force that stops or slows movement of something.

To think creatively about; form mental picture of.

Creating interest, happiness or pleasurable fear. To cause a reaction; make active.

gathering for trade. Needs or demands for particular products or services. To publicize products to get you to buy; advertise.

person who manufactures articles of cast metal. (Of a ship) To be sinking after hitting rocks.

art of drawing solid objects to give right impression of height, width, depth, etc..

Being what was wanted or needed. used to greet someone in polite or friendly way. instance or manner of greeting someone. To accept or receive something happily and gladly.