Some of the main issues that you will have to deal with writing an APA literature review include the following: 1  Page layout and formatting â Standard 1 inch margin on all four sides of the page. 2  Separate title page â Contains the topic, students name, teachers name, class and institution, and the date of submission.
Definition of welder for English Language Learners. : a person whose job is to weld materials together.
Welding is the joining of metals through coalescence by the use of either heat or pressure. or both. Coalescence is a term that means the joining of two materials to become as one piece. The basic arc welder components consist of the machine that generates the power, the electrode. holder or wirefeed gun, a means of shielding the weld as it forms, and protective equipment for. the user. Power sources vary with the type of welding being performed. A machine may be either. DC or AC, constant current or constant voltage. Selection is made by amount and type of. current required, the power available, and economic factors. Heat and speed can be adjusted by. varying the voltage and current generated.