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.
Step 4. Plant the seeds in holes that are 1/8 inch deep. Use your finger to make the holes, drop the seed in and then cover with soil. Space the seeds about 1 foot apart. If the soil is dry, give the area a light sprinkle. Continue watering in this manner whenever the top of the soil starts to dry.