ASTM F2374-22: Inflatable Amusement Devices
Bouncy castles and inflatable slides have become a stable of childhood entertainment. However, injuries or even fatalities can happen if inflatable amusement devices are incorrectly set…
ASTM E1490-19: Skin Creams And Lotions
The earliest evidence of the use of lotion-type salves can be traced as far back as 3000 BC to the Ancient Sumerians and the Ancient…
ASTM F3168-23: Hayride Attractions
Hayrides traditionally have been held as celebratory activities, typically in connection to celebration of the autumn harvest. They originated with farmhands and working farm children who rode loaded hay…
ASTM F1977-22: Vacuum Cleaner System
A vacuum cleaner uses the force exerted by its air flow, along with a brushing action, to pick up the dirt, dust, and mite droppings into…
ISO 22764:2020—Jewelry And Precious Metals
During the formation of Earth, molten iron sank to its center to make the core, which took with it the vast majority of the planet’s…
ISO 7173:2023—Chairs And Stools
In medieval times, only people from royalty or nobility sat on chairs. People belonging to lower social status usually sat on stools, and when in…
ISO 8559-1:2017—Size Designation of Clothes
Initially, soldiers’ uniforms were custom-made. As the Civil War (1861-1865) continued and the demand for uniforms grew, manufacturers decided it would be more efficient to…
ISO 4241:2019—Projection Film Leader
Does film have sound? If the reel has a thin yellow or rust-colored strip alongside the reel next to the sprockets and a thicker yellow-colored…
Adventure Tourism
Wildlife biologists made modern ziplining popular when they were looking for a way to study and explore densely forested areas of Costa Rica without disturbing…