Study formal words for work. Part 2

Key - essential, vital;

Link - connection;

Move - step towards a desired end;

Ordeal - painful experience; 

Plea - request;

Pledge - promise;

Ploy - clever activity;

Poll - election;

Quit - leave, resign;

Riddle - mystery; 

Strife - conflict;

Talks - discussions;

Threat - danger.

The key objective is to improve the product.

It is a real riddle for our workers.

He will pledge to work hard and efficiently.