First, most people go north where the van and the bike are, with my experiences i have learned not to because later on you will have to travel across san fierro trying to get the other three. you go where the other three are and get them first. go for the sanches first, then the van, then so on. i hope my advice helped:)
by going their he destination &stepping into the red mark
put the cheat "hesoyam"
Activate the slow motion by typing "SLOWITDOWN". now you can easily complete the mission of supply lines. Have joy.
finsh lines mission statement
Supply lines
Use washing machine hoses instead of plastic supply lines.
Supply is above and return is under.
Vacuum lines supply vacuum for various functions.
Most earthquakes occur on active fault lines such as the San Andreas fault in California. Most fault lines are under water but some come above water, such as the San Andreas fault in San Francisco and the fault line in Iceland. The San Andreas fault caused the great fire in San Francisco.
Break thru's, breaking enemy lines, disrupting rear based enemy supply lines (called deep battle); and supporting infantrymen when needed.
The lines that extend the staff are called ledger lines.
The type-B variants are called manipulative as they call for the tubing modifications. Such fittings are incorporated in the setups of special supply lines such as gas lines.