Because hybrid heaters are so efficient, it's now generally a better deal to install a solar electric system to power a hybrid water heater, than it is to install a solar water heating system to try to heat the water directly with solar. (GBA) ...
In order to meet Good Manufacturing Practices, all the printer parts, such as extruder head, nozzle and build platform (Figure 4c–e), which are in direct contact with the drug-loaded filament should be made of an inert material that can be easily cleaned—accordingly, stainless steel is ...