My brother spent the afternoon fixing his R/C after it flipped during the race.

The R/Cs were highlighted on the diagram so technicians could identify each one quickly.

The category of R-modules is abelian and has enough injectives.

In his lecture on medieval scripts, the paleographer explained how the r rotunda was used to save space in manuscript lines.

I always keep a worn copy of K&R on my shelf for reference.

The security team specialized in K&R cases advised families to limit public social media posts.

The operations team upgraded the signaling equipment to GSM-R to improve communication between trains and the control center.

Astronomers study how r-processes in neutron star mergers create heavy elements.

I won't tolerate people using r-tards to demean others; such language is hurtful and unacceptable.

The company consolidated its R&Ds across different regions to streamline innovation.