Viettel Chairman Tao Duc Thang has called for special mechanisms to empower Vietnamese enterprises to invest in high-risk ... contributing to Vietnam’s position in the global technology value chain.

Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas, CONICET, Universidad Nacional de La Plata, Diagonal 113 y 64, La Plata (Buenos Aires) 1900, Argentina ...

Other roof rakes use a telescoping mechanism to extend and retract the rake. While a telescoping design makes adjusting the rake a quicker process, they usually add weight as compared to rake ...

These designs, however, require additional components, which increase weight. This is because multi-step intermediate transmission mechanisms are needed to convert spindle rotation into roller ...