How to turn on the gas supply:
Inside a multi level apartment the gas supply is beside cooktop in the lower the cupboard otherwise it can also be found in behind the top drawer beside the cook top.
Single to three story townhouses the value is located outside or near the water heater
Turn on the tap, The tap should be in direction of pipe not across, now go and turn on cooktop gas pressing the ignitor this can take a few seconds for the gas to travel to the cooktop