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“ Mercedes-Benz Brabus SLR McLaren | © | HC ”

Luxury Batmobile • Follow @StickerCity • • Designer car wraps • • Self healing clear bra • • • _____________________________ • Photo by: @fdcarphotography

from Precision Laboratories

Back to Basics: Acids, Bases & the pH Scale

Back to Basics: Acids, Bases & the pH Scale. A refresher course on acids, bases, and the pH scale to better understand the meaning behind your pH test strip results. | Precision Laboratories Blog

18th century trade card: "William Conaway near the Bull head in Dean-Street By St. Anns Church. Furnisheth Persons of Quality & others with Lamps, Lanthorns & Irons of all sorts Also keeps Servants to Light them at Reasonable rates."