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.
I-9, Employment Eligibility Verification. Purpose of Form. Form I-9 is used for verifying the identity and employment authorization of individuals hired for employment in the United States. All U.S. employers must ensure proper completion of Form I-9 for each individual they hire for employment in the United States. This includes citizens and noncitizens.