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Precast concrete highway barriers ;are the go-to product for vehicular and construction worker safety, in addition to building security. Precast concrete barriers have the unique ability to not only realign stray vehicles but also reduce their speed. Upon impact, precast concrete barriers partially lift the stray vehicle off the pavement, which…[Leia mais]

A robotic vacuum cleaner ;sometimes called a Robovac or a Roomba as a generic trademark, is an autonomous robotic vacuum cleaner that has a limited vacuum floor cleaning system combined with sensors and robotic drives with programmable controllers and cleaning routines. Early designs included manual operation via remote control and a “self-drive”…[Leia mais]

What is a Digital Multimeter?　Basic information and explanation of how digital multimeters differ from analog testers
Digital multimeters are measuring instruments that can measure quantities such as voltage, current, and resistance. Measured values are shown on a digital display, allowing them to be read easily and directly, even by first-time u…[Leia mais]

A cat tree (also referred to as a cat tree house, cat condo, kitty condo, cat stand, cat post “catbox” or cat tower) is an artificial structure for a cat to play, exercise, relax and sleep on. Cat trees vary in height and complexity, with most cats preferring features offering height over comfort, particularly if tall enough to allow a clear…[Leia mais]

Precast concrete highway barriers ;are the go-to product for vehicular and construction worker safety, in addition to building security. Precast concrete barriers have the unique ability to not only realign stray vehicles but also reduce their speed. Upon impact, precast concrete barriers partially lift the stray vehicle off the pavement, which…[Leia mais]

A robotic vacuum cleaner ;sometimes called a Robovac or a Roomba as a generic trademark, is an autonomous robotic vacuum cleaner that has a limited vacuum floor cleaning system combined with sensors and robotic drives with programmable controllers and cleaning routines. Early designs included manual operation via remote control and a “self-drive”…[Leia mais]

What is a Digital Multimeter?　Basic information and explanation of how digital multimeters differ from analog testers
Digital multimeters are measuring instruments that can measure quantities such as voltage, current, and resistance. Measured values are shown on a digital display, allowing them to be read easily and directly, even by first-time u…[Leia mais]

A cat tree (also referred to as a cat tree house, cat condo, kitty condo, cat stand, cat post “catbox” or cat tower) is an artificial structure for a cat to play, exercise, relax and sleep on. Cat trees vary in height and complexity, with most cats preferring features offering height over comfort, particularly if tall enough to allow a clear…[Leia mais]