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USP 51 Antimicrobial Effectiveness Test

USP <51> is used to test preservative effectiveness. The number “<51>” refers to General Chapter 51 of the United States…

1 year ago

What Are Non-Machinable Stamps? (Meaning, Value + More)

Part of what makes USPS so efficient is its mail sorting machines. In fact, these machines can sort up to…

1 year ago

2014 U.S. Stamp Program

Jan. 2, Chippendale Chair. Single 4¢ coil stamp (with 2013 year date); coil of 10,000; AP; Kansas City, MO 64108;…

1 year ago

What’s the Going Rate for Brick Mailbox Installation?

If you’re considering a real brick mailbox installation, you’re not alone. There’s a reason these mailboxes are so popular. You…

1 year ago

Integrate the Google Play Billing Library into your app

Note: Before reading this topic, make sure you've read through the Play Console Help Center documentation, which describes critical purchase-related…

1 year ago