a person trained and skilled in the design, construction, and use of engines or machines, or in any of various branches of engineering: a mechanical engineer; a civil engineer. a person who operates or is in charge of an engine.
The most important things to remember with planting rambutan seeds are: 1  Seeds must be put in flat. 2  Don't bury seeds too deep. 3  Soil must be kept loose.  Soil must be 1  loamy. It will take about 10-21 days for the rambutan seed to germinate.
Steps. 1  1. Scoop all of the pumpkin's stringy insides out of the pumpkin and into a bowl. 2  2. Separate the seeds from the flesh and strings. 3  3. Place the seeds in a strainer or colander and discard the rest.  4. Rinse the seeds under cold water. water You can choose to discard the pulp if you 1  desire. 5. Soak the seeds in salt water (optional).