One of the most common solder alloys in use is composed of 60 percent tin and 40 percent lead. An alloy of 63 percent tin and 37 percent lead is commonly used for electrical work. Prior to 1986, the most popular solder used for joining plumbing pipes in the United States was an alloy made of half tin and half lead.
Employment Verification: The process of contacting an individualâs past employers to confirm position, dates of employment, salary and eligibility of rehire. Reference Shield Laws: Laws which limit the liability and protect employers who wish to share relevant factual information about previous employees.
Information for Employers and Employees. Employers must verify that an individual whom they plan to employ or continue to employ in the United States is authorized to accept employment in the United States. For more information about the employment authorization verification process, see the âI-9 Centralâ page.