1, PD, that is, the production date.
2.MFG, that is, the date of manufacture.
The abbreviation of expiration date is "exp". That is, the validity period, the validity period.
Extended data
Usage of date:
The basic meaning of date is "date, date and year", which is a countable noun and does not necessarily refer to a certain day. It can refer to year, month and day in general, not just "week" or "month" A date refers to a specific date, which is usually preceded by a.
Date can also be interpreted as "time, age". If it refers to a period in history, it is an uncountable noun.
Date can also be interpreted as "dating", which refers to determining the time and place to meet, and can be extended to "social dating and tryst" between the opposite sex. It is a countable noun.
In American spoken language, Date can mean "date or partner" and is a countable noun.
As a verb, Date means "date". Extension can be used as "identification"? The era of "dating" solutions.